Herb & supplement monograph

Gelatin Drug Interactions, Uses, Effectiveness, Safety & More

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Interaction report

Drugs that interact with Gelatin

0 medications have a known interaction with Gelatin, graded by severity. Select any drug for the full evidence-based detail.

We don’t currently list any known drug interactions for Gelatin. This doesn’t guarantee none exist — always confirm with your pharmacist before combining supplements with your medications.

Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each drug listed above links to the full report for that exact Gelatin combination — clinical detail, likelihood, evidence level, and citations.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
Monograph

Gelatin: Uses, Safety & Side Effects

The bottom line

Gelatin is a protein made from animal collagen, used as a food, a capsule ingredient, and a supplement for joint, skin, and bone health. For most health uses, the evidence is limited or mixed, though it is generally safe as a food. If you have allergies, dietary restrictions, or a health condition, check with your pharmacist or doctor first.

Part used
Collagen derived from animal skin, bones, and connective tissue (usually pork or beef)
Common forms
Powder, capsules, gummies, food products (Jell-O type desserts), and collagen/gelatin drinks
People commonly use it for
  • Joint and bone health
  • Skin, hair, and nail support
  • Source of dietary protein
  • Digestive comfort
  • Capsule shells for medicines and supplements

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance
OverallLikely safe

Gelatin is widely consumed as a food and is generally considered safe for most people.

PregnancyLikely Safe

When used orally in the amounts commonly found in foods.

Read the full pregnancy detail
BreastfeedingLikely Safe

When used orally in the amounts commonly found in foods. There is insufficient reliable information available about the safety of using larger amounts...

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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Overview

Gelatin is a protein made by partially breaking down collagen, the main structural protein found in the skin, bones, and connective tissue of animals such as pigs and cows. Through cooking and processing, the collagen is turned into a substance that dissolves in warm water and sets into a gel as it cools.

You probably already know gelatin from foods like jelly desserts, gummy candies, marshmallows, and broths. In the supplement and medicine world, gelatin is also used to make the shells of many capsules and softgels. As a dietary supplement, it is sold as a powder, in capsules, or in gummies, and is often marketed for joint, skin, and bone health.

How it works

Gelatin is made up mostly of amino acids, the building blocks of protein. It is especially rich in glycine, proline, and hydroxyproline, which are also found in the body's own collagen.

The idea behind using gelatin for joints, skin, and bones is that supplying these amino acids might give the body raw materials to build or repair its own collagen. Some laboratory and animal studies support this idea, but it is not certain how much of the gelatin you eat actually ends up in your joints or skin. Most of the proposed benefits are based on early research rather than strong human evidence.

Effectiveness

Does Gelatin work?

Evidence overview · 13 uses evaluated
1 Leans ineffective 12 Insufficient evidence
How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.
2Likely EffectiveGood evidence, though not yet conclusive.
3Possibly EffectiveSome evidence suggests a benefit.
4Possibly IneffectiveSome evidence it may not help.
5Likely IneffectiveFairly strong evidence it doesn’t help.
6IneffectiveStrong evidence it doesn’t work.
7Insufficient Reliable Evidence to RateToo little research to say either way.
Possibly Ineffective Diarrhea
Rating & evidence shown verbatim from Natural Medicines

Oral gelatin tannate does not seem to be beneficial for diarrhea treatment in infants and young children.

Also studied for 12 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Aging skin
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for aging skin, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Insufficient Reliable Evidence To Rate Beta-thalassemia
Rating & evidence shown verbatim from Natural Medicines

It is unclear if oral gelatin is beneficial for beta-thalassemia.

Insufficient Reliable Evidence To Rate Brittle nails
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for brittle nails, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Insufficient Reliable Evidence To Rate Exercise-induced muscle soreness
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for exercise-induced muscle soreness and damage, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Insufficient Reliable Evidence To Rate Joint pain
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for general joint pain, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Insufficient Reliable Evidence To Rate Obesity
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for weight loss, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Insufficient Reliable Evidence To Rate Osteoarthritis
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for osteoarthritis, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Insufficient Reliable Evidence To Rate Osteoporosis
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for osteoporosis, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Insufficient Reliable Evidence To Rate Rheumatoid arthritis (RA)
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for RA, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Insufficient Reliable Evidence To Rate Ulcerative colitis
Rating & evidence shown verbatim from Natural Medicines

Rectal gelatin has only been evaluated in combination with other ingredients; its effect when used alone is unclear.

Insufficient Reliable Evidence To Rate Uterine fibroids
Rating & evidence shown verbatim from Natural Medicines

Oral gelatin has only been evaluated in combination with other ingredients; its effect when used alone is unclear.

Insufficient Reliable Evidence To Rate Wrinkled skin
Rating & evidence shown verbatim from Natural Medicines

Although there has been interest in using oral gelatin for wrinkled skin, there is insufficient reliable information about the clinical effects of gelatin for this purpose.

Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.

Safety & precautions

Gelatin has a long history of safe use as a food and is generally well tolerated. However, a few groups should be careful:

  • People with allergies: Allergic reactions to gelatin are possible, though uncommon. Gelatin is also found in some vaccines and medicines, so a known gelatin allergy is important to mention to your healthcare providers.
  • Dietary and religious restrictions: Gelatin usually comes from pigs or cattle, which matters for people following vegetarian, vegan, halal, or kosher diets. Plant-based alternatives like agar or pectin exist.
  • Source concerns: Because gelatin comes from animal tissue, choose products from reputable manufacturers that test for purity and contaminants.

For pregnancy and breastfeeding, gelatin in normal food amounts is likely fine, but there is little research on concentrated supplement doses. To be safe, talk with your doctor or pharmacist before using gelatin supplements during these times.

Side effects

Gelatin is usually well tolerated. When side effects happen, they are typically mild and may include a feeling of fullness, heaviness in the stomach, bloating, heartburn, or burping. Some people notice an unpleasant aftertaste.

Rarely, gelatin can cause an allergic reaction. Stop using it and get medical help right away if you have hives, swelling of the lips or throat, trouble breathing, or other signs of a serious reaction.

Gelatin: Reported Adverse Effects

Documented safety reports on Gelatin from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.

Orally, gelatin seems to be well tolerated.

Most Common Adverse Effects:

Oral: Belching, bloating, and dyspepsia.

Serious Adverse Effects (Rare):

Injection: IgE-mediated allergic reactions, Kounis syndrome.

Reports by condition
Dyspepsia Gastrointestinal

Orally, gelatin can cause unpleasant taste, sensation of heaviness in the stomach, bloating, dyspepsia, and belching.

  1. Moskowitz RW. Role of collagen hydrolysate in bone and joint disease.Semin Arthritis Rheum 2000;30:87-99.
Hypotension Immunologic

Gelatin can cause allergic reactions. Gelatin in foods can cause initial sensitization. Gelatin-containing medicines including oral medications, suppositories, vaccines, and injectable products can cause IgE-mediated allergic reactions, including urticaria, angioedema, wheezing, hypotension, and anaphylaxis. In the US, gelatin is used as a stabilizer in some vaccines such as measles, mumps, and rubella (MMR), and diphtheria, pertussis, tetanus (DPT). In one case report, a 73-year-old male experienced anaphylactic symptoms within 10 minutes of receiving gelatin lysate as a plasma expander during a routine surgery. The patient proceeded to develop heart, respiratory, and kidney failure and died 76 days after receiving the gelatin infusion. At least 12 case reports describe life-threatening anaphylaxis after administration of gelatin-containing hemostatic agents during surgery. In these cases, hypotension, tachycardia, and increased airway pressure occurred shortly after injection of the agent into the pedicle tract.

There are at least two cases of Kounis syndrome, an acute coronary syndrome related to a massive mast cell activation, after the use of a gelatin infusion during general anesthesia. In one case, immediate symptoms included bradycardia and hypotension, followed by myocardial ischemia and coronary vasospasm.

  1. Schwick HG, Heide K. Immunochemistry and immunology of collagen and gelatin. Bibl Haematol 1969;33:111-25.
  2. Kelso JM. The gelatin story. J Allergy Clin Immunol 1999;103:200-2.
  3. Nakayama T, Aizawa C, Kuno-Sakai H. A clinical analysis of gelatin allergy and determination of its causal relationship to the previous administration of gelatin-containing acellular pertussis vaccine combined with diphtheria and tetanus toxoids. J Allerg
  4. Sakaguchi M, Inouye S. Anaphylaxis to gelatin-containing rectal suppositories. J Allergy Clin Immunol 2001;108:1033-4.
  5. Ventura Spagnolo E, Calapai G, Minciullo PL, Mannucci C, Asmundo A, Gangemi S. Lethal anaphylactic reaction to intravenous gelatin in the course of surgery. Am J Ther. 2016;23(6):e1344-e1346.
  6. Coury JR, Skaggs KF, Marciano GF, et al. Intraoperative Anaphylaxis to the Bovine Flowable Gelatin Matrix: A Report of 2 Cases. JBJS Case Connect 2022;12(1).
  7. PDR Electronic Library. Montvale, NJ: Medical Economics Company, Inc., 2001.
  8. de la Fuente Tornero E, Vega Castro A, de Sierra Hernández PÁ, et al. Kounis syndrome during anesthesia: Presentation of indolent systemic mastocytosis: A case report. A Case Rep. 2017;8(9):226-228.
Myoadenylate deaminase deficiency (MAD) Other

Since gelatin is sometimes produced from bovine bones and skin, there is some concern about the potential risk of contamination with diseased animals and transmission of bovine spongiform encephalopathy (BSE, mad cow disease) and other diseases. So far, there are no reports of BSE or other disease transmission to humans from gelatin products.

  1. Lewis CJ. Letter to reiterate certain public health and safety concerns to firms manufacturing or importing dietary supplements that contain specific bovine tissues. FDA. Available at: www.cfsan.fda.gov/~dms/dspltr05.html.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

Adverse-effects data: Natural Medicines, Therapeutic Research Center

Dosing

There is no official, standardized dose of gelatin for any health condition. The amount used in studies varies widely, and it is not clear what dose, if any, provides a health benefit.

If you choose to use a gelatin supplement, follow the directions on the product label and do not exceed the recommended amount. Because products differ in strength and quality, it is a good idea to check with your pharmacist or doctor before starting, especially if you have a health condition or take other medicines.

Pregnancy & Breastfeeding

Gelatin & Pregnancy

Likely Safe

When used orally in the amounts commonly found in foods.

Possibly Safe

When a specific type of gelatin from donkey hide, called colla corii asini, is used orally in doses of 10 grams daily for 6 weeks. Higher doses of 15 grams daily have been associated with an increased risk of inflammatory adverse effects, including sore throat, swollen gums, local eczema, and ulcers in the oral cavity. There is insufficient reliable information available about the safety of other types of gelatin when used during pregnancy in medicinal amounts.

  1. Li Y, He H, Yang L, Li X, Li D, Luo S. Therapeutic effect of Colla corii asini on improving anemia and hemoglobin compositions in pregnant women with thalassemia. Int J Hematol. 2016;104(5):559-565.

Gelatin & Breastfeeding

Likely Safe

When used orally in the amounts commonly found in foods. There is insufficient reliable information available about the safety of using larger amounts of gelatin during lactation; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

© 2026 Therapeutic Research Center

Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center

References & further reading

The 11 references that drive our Gelatin monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Lewis CJ. Letter to reiterate certain public health and safety concerns to firms manufacturing or importing dietary supplements that contain specific bovine tissues. FDA. Available at: www.cfsan.fda.gov/~dms/dspltr05.html.
  2. Schwick HG, Heide K. Immunochemistry and immunology of collagen and gelatin. Bibl Haematol 1969;33:111-25. PubMed
  3. Moskowitz RW. Role of collagen hydrolysate in bone and joint disease.Semin Arthritis Rheum 2000;30:87-99. PubMed
  4. Kelso JM. The gelatin story. J Allergy Clin Immunol 1999;103:200-2.
  5. Nakayama T, Aizawa C, Kuno-Sakai H. A clinical analysis of gelatin allergy and determination of its causal relationship to the previous administration of gelatin-containing acellular pertussis vaccine combined with diphtheria and tetanus toxoids. J Allerg PubMed
  6. Sakaguchi M, Inouye S. Anaphylaxis to gelatin-containing rectal suppositories. J Allergy Clin Immunol 2001;108:1033-4. PubMed
  7. PDR Electronic Library. Montvale, NJ: Medical Economics Company, Inc., 2001.
  8. de la Fuente Tornero E, Vega Castro A, de Sierra Hernández PÁ, et al. Kounis syndrome during anesthesia: Presentation of indolent systemic mastocytosis: A case report. A Case Rep. 2017;8(9):226-228. PubMed
  9. Ventura Spagnolo E, Calapai G, Minciullo PL, Mannucci C, Asmundo A, Gangemi S. Lethal anaphylactic reaction to intravenous gelatin in the course of surgery. Am J Ther. 2016;23(6):e1344-e1346. PubMed
  10. Li Y, He H, Yang L, Li X, Li D, Luo S. Therapeutic effect of Colla corii asini on improving anemia and hemoglobin compositions in pregnant women with thalassemia. Int J Hematol. 2016;104(5):559-565. PubMed
  11. Coury JR, Skaggs KF, Marciano GF, et al. Intraoperative Anaphylaxis to the Bovine Flowable Gelatin Matrix: A Report of 2 Cases. JBJS Case Connect 2022;12(1). PubMed
Keep reading

This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Product directory

Supplement products with Gelatin

39,984 products in our database contain Gelatin. Open any to see its full ingredient list and every drug interaction we check.

Z-Force by Dymatize Nutrition Capsule 90 Capsule(s) Off market View ingredients & interactions Z-Force by Dymatize Nutrition Capsule 90 Capsule(s) Off market View ingredients & interactions Zantrex-3 by Zoller Laboratories Capsule 56 Capsule(s) Off market View ingredients & interactions Zeaxanthin by Bricker Labs Softgel Capsule 30 Softgel Capsule(s) Off market View ingredients & interactions Zeaxanthin 4 mg with Lutein 20 mg by Nutricost Softgel Capsule 120 Softgel(s) Off market View ingredients & interactions Zeaxanthin Plus Lutein by Bluebonnet Softgel Capsule 60 Softgel(s) Off market View ingredients & interactions Zeaxanthin Plus Lutein by Bluebonnet Softgel Capsule 30 Softgel(s) Off market View ingredients & interactions Zeaxanthin With Lutein by Source Naturals Capsule 30 Capsule(s) · 10 mg Off market View ingredients & interactions Zeaxanthin With Lutein by Source Naturals Capsule 60 Capsule(s) · 10 mg Off market View ingredients & interactions Zeaxanthin With Lutein by Source Naturals Capsule 60 Capsule(s) Off market View ingredients & interactions Zeaxanthin with Lutein by BIOVEA Softgel Capsule 30 Softgel(s) Off market View ingredients & interactions Zeaxanthin with Lutein by BIOVEA Softgel Capsule 30 Softgel(s) Off market View ingredients & interactions Zeaxanthin With Lutein 10 mg by Source Naturals Capsule 60 Capsule(s) Off market View ingredients & interactions Zeaxanthin with Lutein 24 mg by Nutricost Softgel Capsule 120 Softgel(s) Off market View ingredients & interactions ZemBright Mood Plus by Dr. David Williams Capsule 30 Capsule(s) Off market View ingredients & interactions Zena Stat by AA Anabolic Agents Capsule 90 Super Capsule(s) Off market View ingredients & interactions Zhi Gan Cao Teapills Zhi Gan Cao Wan by Plum Flower Tablet Or Pill 1.2 oz. · 33 g · 200 Pill(s) Off market View ingredients & interactions Zhi Gan Cao Teapills Zhi Gan Cao Wan by Plum Flower Tablet Or Pill 200 Pill(s) · 1.2 oz. · 33 Gram(s) Off market View ingredients & interactions Zinc (Citrate) 30 mg by Swanson Premium Brand Capsule 60 Capsule(s) Off market View ingredients & interactions Zinc 30 by ProCaps Laboratories Capsule 360 Easy-To-Swallow Capsule(s) Off market View ingredients & interactions Zinc 50 mg by The Vitamin Shoppe Capsule 100 Capsule(s) Off market View ingredients & interactions Zinc 50 mg by The Vitamin Shoppe Capsule 300 Capsule(s) Off market View ingredients & interactions Zinc Balance by Jarrow Formulas Capsule 100 Capsule(s) Off market View ingredients & interactions Zinc Carnosine by Swanson Ultra Capsule 60 Capsule(s) Off market View ingredients & interactions
Pharmacist Counseling Corner

Gelatin: Common Questions

What is Gelatin used for, and does it work?
People use Gelatin for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.
Does Gelatin interact with prescription medications?
We do not currently list any known drug interactions for Gelatin. This does not guarantee that none exist, so always confirm with your pharmacist before combining it with your medications.
How are Gelatin interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Gelatin with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Gelatin interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What is Gelatin made from?
Gelatin is a protein made from collagen found in the skin, bones, and connective tissue of animals, most often pigs or cattle. It is the same ingredient used in jelly desserts and many capsule shells.
Is Gelatin the same as collagen?
They are closely related. Gelatin is collagen that has been partly broken down by heat and processing. Collagen peptides are broken down even further into smaller pieces that dissolve more easily.
Is Gelatin vegetarian or vegan?
No. Standard Gelatin comes from animals, so it is not suitable for vegetarians or vegans. Plant-based alternatives like agar-agar and pectin can be used instead.
Can Gelatin really help my joints or skin?
Some people report benefits, but the scientific evidence is limited and mixed. It is reasonable to consider, but you should not expect guaranteed results, and it is best to check with your pharmacist first.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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