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Pancreatitis

Inflammation of the pancreas, acute (sudden, severe, often gallstone- or alcohol-related) or chronic (progressive scarring causing exocrine and endocrine insufficiency). Low-fat diet2, alcohol cessation and pancreatic enzymes3 support recovery; antioxidant supplements have not reliably reduced pain6.

Liver, Gallbladder & Pancreas Evidence-Based

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Definition

What Is Pancreatitis?

Pancreatitis is inflammation of the pancreas, the organ behind the stomach that produces digestive enzymes (exocrine function) and hormones like insulin and glucagon (endocrine function). When the pancreas becomes inflamed, its enzymes can autodigest the gland itself, causing severe pain, complications and progressive damage.

Acute pancreatitis is a sudden, severe inflammation that can range from mild self-limited to life-threatening with multi-organ failure. More than 80% are caused by gallstones (most common in women)1 or heavy alcohol use (most common in men)13. Chronic pancreatitis is progressive scarring from repeated injury, leading to permanent loss of both digestive and hormonal function (steatorrhea, diabetes).

The pancreas has limited regenerative capacity: once damaged by chronic pancreatitis, it doesn't fully recover. This makes prevention through addressing underlying causes (alcohol cessation, gallstone management, smoking cessation4, lipid control) absolutely critical.

โš ๏ธ Severe acute pancreatitis is a medical emergency, and about 15% die in the hospital14. Sudden severe upper abdominal pain radiating to the back, especially with vomiting, requires immediate evaluation. Don't delay.
The upper abdomen with the liver, gallbladder, bile duct, stomach, the first part of the small intestine and a swollen, reddened pancreas, above two small drawings of the pancreas: acute, swollen and inflamed, and chronic, scarred and shrunken

Acute vs Chronic Pancreatitis

Acute Pancreatitis

Sudden inflammation, can be mild (interstitial edematous) or severe (necrotizing). More than 80% caused by gallstones or alcohol13. Other causes: hypertriglyceridemia, ERCP, medications, hypercalcemia. Mild cases resolve in days; severe requires ICU.

Chronic Pancreatitis

Progressive irreversible scarring from repeated inflammation. Most often from heavy alcohol use or inherited disorders of the pancreas (CFTR, PRSS1)12; also autoimmune and obstructive causes. Causes chronic pain, malabsorption (steatorrhea) and diabetes ("pancreatogenic diabetes" or type 3c).

Complications

Pancreatic necrosis, pseudocysts, organ failure (acute); diabetes, exocrine insufficiency, pancreatic cancer (chronic, risk about 8 times higher 5 years after diagnosis, falling with longer follow-up), opioid dependence.

By the Numbers

Pancreatitis by the Numbers

~275K
hospital stays a year for acute pancreatitis in the United States12
More than 80%
of acute pancreatitis is accounted for by gallstones and alcohol13
~15%
hospital mortality in the severe form of acute pancreatitis, which is about 20% to 30% of cases14
~8ร—
the pancreatic cancer risk 5 years after a chronic pancreatitis diagnosis, and it falls further with longer follow-up15
5 to 10 days
the usual hospital stay, because most people with acute pancreatitis start to get better within a week16
5% against 17%
recurrent gallstone complications after mild gallstone pancreatitis when the gallbladder came out during the same admission, against leaving it until weeks later8
Signs & Symptoms

Symptoms of Pancreatitis

Acute symptoms are unmistakable and severe. Chronic symptoms are more insidious: chronic pain and progressive malabsorption.

SymptomWhat happens
Acute Pancreatitis (Emergency)
Severe Epigastric Pain Radiating to BackSudden, severe pain in upper abdomen, classically boring through to the back. Often described as "knife-like" or "the worst pain of my life." Relieved (slightly) by leaning forward. Constant, not crampy.
Persistent Nausea & VomitingSevere nausea with repeated vomiting that doesn't relieve the pain. Inability to keep anything down. Distinguishes from many other GI conditions where vomiting helps.
Fever & TachycardiaSystemic inflammation. Fever may indicate infected necrosis (severe). Rapid heart rate from systemic inflammatory response. Sign of severity needing urgent evaluation.
Cullen's & Grey Turner's SignsBruising around umbilicus (Cullen's) or flanks (Grey Turner's) indicates severe hemorrhagic pancreatitis with retroperitoneal bleeding. EMERGENCY. Late but ominous signs.
Chronic Pancreatitis
Chronic Epigastric PainPersistent dull or aching pain, sometimes with acute exacerbations. May worsen with eating (especially fatty foods). Often leads to opioid dependence, a major management challenge.
Steatorrhea (Fatty Stools)Pale, foul-smelling, greasy stools that float. Indicates exocrine insufficiency: the pancreas no longer makes enough digestive enzymes3. Causes fat-soluble vitamin malabsorption (A, D, E, K).
Weight Loss & MalnutritionFrom malabsorption, pain-induced poor intake and increased metabolic demand. Significant unintentional weight loss is a hallmark of established chronic pancreatitis.
New-Onset Diabetes (Type 3c)Pancreatic damage destroys islet cells, which causes insulin and glucagon deficiency. Causes unstable blood sugar with hypoglycemia common. Different management than type 1 or 2 diabetes.
Causes

Causes of Pancreatitis

Pancreatitis happens when the pancreas becomes inflamed and its own digestive enzymes start damaging the gland12. An acute attack needs urgent hospital treatment, so nothing below is a reason to try a diet or a supplement first; what the causes change is how the next attack is prevented.

CauseHow It Contributes to PancreatitisWhat Helps
GallstonesA gallstone passing through and lodging in a bile or pancreatic duct inflames the pancreas, and this is the most common cause of acute pancreatitis12Urgent hospital treatment; then removal of the gallbladder, since having surgery within a few days of admission lowers the chance of complications: it cut recurrent gallstone complications to 5% from 17% in a randomized trial8
Heavy alcohol useHeavy alcohol use is one of the two most common causes of acute pancreatitis and the most common cause of chronic pancreatitis; continuing to drink after an acute attack leads to more attacks and to chronic pancreatitis, and in alcohol-related chronic pancreatitis it makes severe complications and death more likely12Stopping alcohol completely, even if the pancreatitis was mild or early, and even when alcohol was not the cause; ask a clinician for help to stop, and see the diet section
SmokingSmoking makes pancreatitis more likely in the first place, and smoking with acute pancreatitis, especially when alcohol caused it, greatly raises the chance that the pancreatitis becomes chronic; it also raises pancreatic cancer risk124Stopping smoking completely, with help from a clinician; the chance of pancreatitis is higher still in people who both smoke and drink alcohol
High blood triglyceridesHigh triglycerides are a recognized cause, generally at levels above about 1,000 mg/dL (11.3 mmol/L), and identifying this matters because it changes how the attack is managed121Getting triglycerides measured after an attack; lowering them with the eating pattern in the diet section, with omega-⁠3 as listed in the supplement table and with prescribed lipid-lowering treatment when a clinician advises it
Inherited and family factorsGenetic disorders of the pancreas are among the most common causes of chronic pancreatitis, a family history of pancreatitis raises the risk, and so does a personal or family history of gallstones; cystic fibrosis and certain autoimmune conditions also raise it12Not modifiable in itself; specialist assessment to find which cause is present, since it changes follow-up, and the alcohol and smoking measures above apply whatever the underlying cause
Medicines, procedures, injury and high blood calciumSome medicines, an injury to the abdomen, a high level of calcium in the blood, an ERCP procedure done to treat something else, an infection and pancreatic cancer are all recognized causes; in many cases no cause is found at all12Conventional care: tell the team every medicine and supplement you take, since some medicines are a cause and stopping them is a clinician's decision; new diabetes in an older adult with weight loss and abdominal pain is a reason for prompt specialist assessment5
Diagnosis

How Pancreatitis Is Diagnosed

TestWhat it shows
Acute Pancreatitis Workup
Lipase & AmylaseLipase >3x upper normal limit with appropriate symptoms = pancreatitis. Lipase more specific and remains elevated longer than amylase. Cornerstone of diagnosis.
CT Abdomen with ContrastConfirms diagnosis, assesses severity, identifies complications (necrosis, pseudocysts, vascular involvement). Best timing: 72+ hours after onset to assess necrosis. Not always needed if clinical/lab diagnosis clear.
Severity Markers & Risk StratificationBlood tests and scoring systems that predict how severe the attack will be. Identifies severe cases needing intensive care.
Chronic Pancreatitis & Etiology Workup
MRCP / EUSMagnetic Resonance Cholangiopancreatography or Endoscopic Ultrasound for chronic pancreatitis diagnosis. Shows ductal changes, calcifications, atrophy. EUS most sensitive for early disease.
Fecal ElastaseMarker of exocrine pancreatic function. <200 mcg/g suggests insufficiency; <100 mcg/g severe. Used to diagnose exocrine pancreatic insufficiency (EPI) and titrate enzyme replacement.
Etiology InvestigationsTriglycerides (hypertriglyceridemia), calcium (hyperparathyroidism), genetic testing (PRSS1, SPINK1, CFTR, CASR), IgG4 (autoimmune pancreatitis). Address underlying cause.
Diabetes & Nutritional WorkupHbA1c, fasting glucose, OGTT for diabetes screening. Fat-soluble vitamins (A, D, E, K), B12, magnesium, zinc, all commonly deficient in chronic pancreatitis from malabsorption.
Treatment Comparison

Conventional and Holistic Treatment for Pancreatitis

๐ŸŒฟ HOLISTIC
๐Ÿ’Š CONVENTIONAL
๐ŸŒฟ

Holistic / Functional Approach

Cause elimination (alcohol, gallstones, triglycerides), low-fat diet during recovery, enzyme replacement

Recurrence Prevention
Stopping alcohol (and smoking) is the highest-value step4. After mild gallstone pancreatitis, same-admission cholecystectomy cut recurrent gallstone complications from 17% to 5%8.
Pain Management
Antioxidants and curcumin did not reduce pain in trials61018; specialist pain care comes first
Timeline
Acute: mild attacks usually settle quickly; severe attacks can take weeks to months. Chronic: long-term management.
Advantage
Addresses the causes (alcohol, gallstones, lipids) to prevent recurrence and progression to chronic pancreatitis

Full Holistic Approach Includes

  • Complete alcohol abstinence, critical for all alcoholic pancreatitis and recommended for all pancreatitis. Even small amounts can trigger recurrence.
  • Smoking cessation, independent risk factor for chronic pancreatitis progression and pancreatic cancer
  • Address gallstones, laparoscopic cholecystectomy after gallstone pancreatitis (during same admission ideally)
  • Aggressive triglyceride lowering if triglycerides are above 500 mg/dL (5.6 mmol/L): diet, omega-⁠3, fibrates, sometimes plasmapheresis
  • Low-fat diet (about 25 to 30% of calories) during recovery; in chronic pancreatitis, enzyme replacement with meals matters more than fat restriction3
  • Antioxidant combinations (vitamins C and E, selenium, methionine) have not reduced chronic pancreatitis pain in pooled trials, and a randomized trial found no benefit over placebo610
  • Pancreatic enzyme replacement for documented exocrine insufficiency, improves digestion and nutrition; trials have not shown that it relieves pain17
  • Curcumin (turmeric): not recommended for pancreatitis pain; in a small randomized trial in chronic pancreatitis it improved markers of oxidative stress but not pain18
  • Small frequent meals: reduce pancreatic enzyme demand at any one time
  • Diabetes management: pancreatogenic diabetes (type 3c) requires careful insulin management given concurrent glucagon deficiency
โš ๏ธ Critical: Severe acute pancreatitis is a medical emergency requiring hospital care. Holistic approaches are for recovery and prevention of recurrence, not acute management of severe attacks.
Supplement Protocol

Evidence-Based Supplements for Pancreatitis

Some of these supplements replace malabsorbed nutrients or support digestion; where trials found no benefit, the row says so.

SupplementWhat it is forTypical rangeTimingNotes & cautions
Pancreatic Enzymes (PERT)Replace deficient pancreatic enzymes (amylase, protease, lipase). Essential when exocrine insufficiency present. Improves digestion and nutrition; in trials it did not relieve pain17.40,000 to 80,000 lipase units per main meal; half with snacksWith each meal/snackPrescription enzyme products are standardized. Take with the first bite of a meal. Adjust to symptoms and fecal elastase.
Antioxidant CombinationSelenium + methionine + ascorbic acid + beta-carotene + vitamin E. Results are mixed6, and the ANTICIPATE randomized trial found no reduction in pain compared with placebo10. The beta-carotene is a concern for anyone who smokes, because beta-carotene supplements increased lung cancer in smokers in large trials (see the lung cancer guide).Not recommended for pancreatitis pain (trials found no benefit over placebo)Not applicableDiscuss with your specialist before starting.
Fat-Soluble Vitamins (A, D, E, K)Commonly deficient in chronic pancreatitis with exocrine insufficiency3. Replete based on serum levels. Vitamin D particularly important.Per blood testsWith fat meal + enzymesTest annually. Vitamin K often forgotten, important for bone health and clotting. If you take warfarin, clear any vitamin K supplement with the clinician managing your anticoagulation before starting or stopping it: vitamin K antagonizes warfarin, and changing your intake destabilizes the INR. Consistency matters more than avoidance. This does not apply in the same way to direct oral anticoagulants such as apixaban or rivaroxaban, but tell your prescriber about any supplement you take.
Vitamin B12Frequently deficient. Pancreatic enzymes are required for B12 absorption (cleave R-binder). Often need supplementation.1,000 mcg sublingual/dayAny timeTest serum B12 and methylmalonic acid.
Curcumin (Turmeric)Anti-inflammatory. In a small randomized trial in chronic pancreatitis it did not improve pain18. Limited evidence.Not recommended for pancreatitis pain (the pilot trial used 500 mg with piperine)Not applicableAvoid with bleeding disorders. Liver damage has been reported with high-absorption curcumin products; stop and talk to your clinician if you notice fatigue, nausea, poor appetite, dark urine or yellowing of the skin or eyes19.
Omega-⁠3 EPA/DHAAnti-inflammatory; useful particularly in hypertriglyceridemia-induced pancreatitis (lowers triglycerides).2 to 4 g/day combined EPA+DHAWith fat meal + enzymesPrescription omega-⁠3 products (icosapent ethyl, omega-⁠3-⁠acid ethyl esters) for severe hypertriglyceridemia. Third-party tested. If you take an anticoagulant, tell the clinician managing it before starting, as high doses can affect clotting and periodic INR checks are advised20. In heart trials, fish oil supplements raised the risk of atrial fibrillation, an irregular heartbeat, more so above 1 g a day22, so check this dose with your clinician first.
Magnesium & ZincBoth frequently deficient from malabsorption. Support pancreatic function and enzyme activity.Mg: 300 to 400 mg glycinate; Zn: 15 to 30 mg.Magnesium evening; zinc with meal (not with iron)Test magnesium (serum is the standard test). Take magnesium well apart from antibiotics and osteoporosis medicines, whose absorption it can reduce, and check with a clinician first if you have reduced kidney function21. Excess zinc >30 mg long-term can cause copper deficiency. The top of this range is above the 350 mg/day upper intake level for supplemental magnesium; above that, diarrhea is common.
ProbioticsSometimes used for diarrhea; evidence in chronic pancreatitis is limited.Multi-strain 25 to 50 billion CFUWith mealsIf a product contains S. boulardii, note that it is a yeast rather than a bacterium. Avoid in acute severe pancreatitis: in a randomized trial, probiotics given to people with predicted severe disease increased deaths11. Use caution with immunosuppression or a central line, as yeast bloodstream infections have been reported; discuss with your team.
What to Expect

What to Expect Over Time

Acute pancreatitis is treated in the hospital; this covers recovery and preventing recurrence.

Treatment and supportive care, together
First Weeks

Hospital care comes first. Most people start getting better within a week and leave the hospital in 5 to 10 days, longer with severe disease. Eating restarts as tolerated rather than waiting for pain to go; a low-fat solid diet is a reasonable first meal2.

Months 1 to 3

If gallstones caused it, the gallbladder usually comes out within days of admission, which lowers complication risk8. Stopping alcohol completely, whatever the cause, and stopping smoking are the highest-value steps4.

Months 3 to 12

Most people recover fully. Repeated attacks lead to chronic pancreatitis, so the cause is dealt with, not waited out. Pale, greasy, foul-smelling stools or weight loss point to too little digestive enzyme; a stool test measures it, and prescribed enzyme replacement with meals is the treatment3.

Long Term

The gland does not fully recover, so the work is replacement: enzymes with meals, checks on vitamins A, D, E and K, and diabetes screening. Severe fat restriction backfires, worsening energy intake and vitamin absorption3.

When to Seek Care

Call 911 or go to the emergency department for sudden severe upper abdominal pain spreading to your back, with a fast heartbeat, difficulty breathing or bloating that does not settle; if the skin around the navel, waist or upper outer thigh looks blue or bruised; or for yellow skin or eyes with a fever. Get care right away for severe or worsening abdominal pain, nausea and vomiting, fever or chills, shortness of breath or yellow skin or eyes. Do not try a diet, a fast or a supplement first: untreated, these problems can be fatal.

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Next Steps

The Pancreas Has Limited Regeneration

Once scarred by chronic pancreatitis, the pancreas does not fully recover. Prevention is everything: eliminate alcohol, manage gallstones, control triglycerides, quit smoking. Combined with enzyme replacement, quality of life can improve considerably; antioxidant supplements did not reduce pain in a randomized trial.

Explore Gallstones โ†’ Explore Pancreatic Cancer โ†’

References & Evidence Notes

Each numbered entry below is either a source you can follow or a note setting out what the evidence does and does not support. Both are numbered together so the markers in the text line up.

Last reviewed October 20, 2026. Supplement entries are cross-checked against the NIH National Center for Complementary and Integrative Health and the Linus Pauling Institute Micronutrient Information Center.7 Acute pancreatitis is a medical emergency. Severe upper abdominal pain radiating through to the back, often with vomiting, needs an emergency department, not a dietary change. Two things about this condition are commonly gotten wrong. Prolonged fasting with nothing by mouth is outdated: current guidance is early oral or enteral feeding as tolerated, because it preserves the gut barrier and improves outcomes, and the old practice of resting the pancreas for days has been abandoned. And in chronic pancreatitis, fat restriction is not the answer: pancreatic enzyme replacement taken with meals is, because restricting fat without enzymes causes weight loss and fat-soluble vitamin deficiency. Alcohol and smoking cessation do more than any supplement here.

  1. On causes: gallstones and alcohol account for most acute pancreatitis. Hypertriglyceridemia is an important and treatable cause, generally at levels above about 1,000 mg/dL, and is worth identifying because it changes management. Other causes include ERCP, certain drugs, hypercalcemia and autoimmune pancreatitis. ↩
  2. On feeding, where practice has reversed. Randomized evidence and current guidelines support early oral feeding as tolerated in mild acute pancreatitis rather than withholding all food and drink until pain resolves, and enteral rather than parenteral nutrition in severe disease, because enteral feeding maintains gut barrier function and is associated with fewer infectious complications. A low-fat solid diet is a reasonable starting point and does not need to be clear liquids first. ↩
  3. On chronic pancreatitis and enzymes. Exocrine insufficiency causes steatorrhea, weight loss and deficiency of vitamins A, D, E and K. Pancreatic enzyme replacement therapy taken with meals is the treatment, and adequate dosing matters; under-dosing is common. Severe fat restriction is counterproductive because it worsens energy intake and fat-soluble vitamin absorption without addressing the cause. ↩
  4. On alcohol and smoking: both accelerate progression from acute to chronic pancreatitis and both raise pancreatic cancer risk. Smoking is an independent risk factor and is frequently overlooked next to alcohol. Cessation of both is the highest-value intervention available. ↩
  5. On complications to know about: pseudocysts, walled-off necrosis, infected necrosis, and pancreatic exocrine and endocrine failure, the latter producing diabetes that is often brittle. New diabetes in someone with chronic pancreatitis needs specialist input, and new diabetes in an older adult with weight loss and abdominal pain should raise the question of pancreatic cancer. ↩
  6. On antioxidants and supplements: antioxidant combinations have been studied for pain in chronic pancreatitis and a systematic review and meta-analysis of 4 randomized trials with 352 participants found no significant reduction in pain against placebo, PubMed 33732878. Medium-chain triglycerides do not require pancreatic lipase and are occasionally useful. None of this substitutes for enzyme replacement, alcohol cessation or specialist management. ↩
  7. National Center for Complementary and Integrative Health (NIH), nccih.nih.gov, and the Linus Pauling Institute Micronutrient Information Center, lpi.oregonstate.edu/mic. ↩
  8. On the timing of gallbladder removal: in a 2015 randomized trial of 266 patients with mild gallstone pancreatitis at 23 Dutch hospitals, recurrent gallstone-related complications occurred in 17% of those given interval cholecystectomy and 5% of those operated on during the same admission, with a very low risk of surgical complications, PubMed 26460661. ↩
  9. On intravenous fluids: a 2022 randomized trial at 18 centers found that early aggressive fluid resuscitation in acute pancreatitis caused fluid overload in 20.5% of patients, against 6.3% with moderate resuscitation, without improving clinical outcomes; the trial was stopped early, PubMed 36103415. ↩
  10. On antioxidants for chronic pancreatitis pain: a 2012 double-blind randomized trial in 70 patients, mostly with alcohol-related disease, found that six months of an antioxidant combination did not reduce pain or improve quality of life compared with placebo, even though it raised blood levels of vitamins C and E, beta-carotene and selenium, PubMed 22683257. ↩
  11. On probiotics in severe acute pancreatitis: in a 2008 randomized placebo-controlled trial of 298 patients with predicted severe acute pancreatitis, a multispecies probiotic did not reduce infectious complications, 16% of the probiotic group died against 6% on placebo, and nine probiotic patients developed bowel ischemia against none on placebo. The authors concluded that probiotic prophylaxis should not be given to this group, PubMed 18279948. ↩
  12. On how common pancreatitis is and what causes it: each year about 275,000 hospital stays for acute pancreatitis occur in the United States, and about 86,000 for chronic pancreatitis. The most common causes of acute and chronic pancreatitis are gallstones, heavy alcohol use, genetic disorders of the pancreas and some medicines, with other causes including infections, injury to the abdomen, pancreatic cancer, an ERCP procedure, high blood fats and high blood calcium; gallstones are the most common cause of acute pancreatitis and heavy alcohol use the most common cause of chronic pancreatitis. Pancreatitis is more likely in men, in people with a family history of pancreatitis or gallstones, and in people with diabetes, high triglycerides, certain autoimmune conditions, cystic fibrosis, obesity, heavy alcohol use or smoking, and in many cases no cause is found, NIDDK on symptoms and causes and NIDDK on definition and facts. ↩
  13. On what acute pancreatitis comes from: a Cochrane review states that gallstones and alcohol account for more than 80% of acute pancreatitis, and that removal of the gallbladder is the definitive treatment for the gallstone share of it, PubMed 23996398. ↩
  14. On how severe acute pancreatitis gets: the 2019 World Society of Emergency Surgery guidelines describe a mild course in most patients, while the severe form, about 20% to 30% of patients, is life-threatening with hospital mortality of about 15%; infection of pancreatic and peripancreatic necrosis occurs in about 20% to 40% of severe cases and worsens organ dysfunction, PubMed 31210778. ↩
  15. On pancreatic cancer risk after chronic pancreatitis: a systematic review and meta-analysis of 13 studies found the risk highest close to diagnosis and falling with time, about 16 times higher within 2 years, nearly 8 times higher at 5 years and about 3.5 times higher at 9 years or more, which is why the early figures are read with care and why close follow-up in the first years is advised, PubMed 28762376. ↩
  16. On how long recovery takes: acute pancreatitis needs urgent treatment in the hospital, and most people start to get better within a week and can leave the hospital in 5 to 10 days, longer with severe disease or complications; most people recover fully, but repeated attacks can develop into chronic pancreatitis, NHS. ↩
  17. On enzyme replacement and pain: a meta-analysis of randomized placebo-controlled trials in chronic pancreatitis found that four trials of enteric-coated enzyme supplements showed no improvement in pain and that pooled daily pain scores and painkiller use did not differ from placebo; the authors conclude that enzymes should not be prescribed solely for pain. Enzyme replacement remains the treatment for exocrine insufficiency, PubMed 27446871. ↩
  18. On curcumin in chronic pancreatitis: in a pilot trial, 20 people with tropical pancreatitis were randomized to 500 mg of curcumin with 5 mg of piperine or placebo for 6 weeks; curcumin improved blood markers of oxidative stress, with no corresponding improvement in pain, PubMed 16394323. ↩
  19. On the safety of turmeric and curcumin: the NIH National Center for Complementary and Integrative Health reports that liver damage has been reported in some people taking curcumin products made to be more easily absorbed, and advises stopping them at once and talking with a clinician if symptoms such as fatigue, nausea, poor appetite, dark urine or jaundice appear, NCCIH, turmeric. ↩
  20. On omega-⁠3 and blood thinners: the NIH Office of Dietary Supplements notes that fish oil can have antiplatelet effects at high doses and might prolong clotting times in people taking a vitamin K antagonist blood thinner, although most research finds 3 to 6 g a day does not significantly change anticoagulation, and that people taking omega-⁠3 products with anticoagulants should have the INR monitored periodically, NIH Office of Dietary Supplements. ↩
  21. On magnesium and medicines: the NIH Office of Dietary Supplements advises that bisphosphonates, used for osteoporosis, and some antibiotics may not be absorbed when taken too soon before or after a magnesium supplement; that supplemental magnesium should stay within the upper limit unless a clinician advises otherwise; and that in healthy people the kidneys clear any excess, NIH Office of Dietary Supplements. ↩
  22. Gencer B, Djousse L, Al-Ramady OT, Cook NR, Manson JE, Albert CM. Effect of long-term marine omega-⁠3 fatty acids supplementation on the risk of atrial fibrillation in randomized controlled trials of cardiovascular outcomes: a systematic review and meta-analysis. Circulation. 2021;144(25):1981-⁠1990. PubMed 34612056. Seven trials with 81,210 people followed for about 5 years: omega-⁠3 supplements were linked to a higher risk of atrial fibrillation (hazard ratio 1.25), more so in trials of more than 1 g a day (1.49), and the risk rose with each additional gram. ↩