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Dietary supplement

Superior Joint Care Ingredients & Drug Interactions

by Schiff MegaRed

Softgel Capsule Category: Other Combinations
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Superior Joint Care is a dietary supplement by Schiff MegaRed with 3 active ingredients. Its ingredients are commonly taken for antioxidant support, skin health and aging, eye health.Based on those ingredients, 838 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Astaxanthin, Krill Oil. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Superior Joint Care by Schiff MegaRed

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 3 active ingredients.
  • “Proprietary Blend” is a proprietary blend — the label gives one combined amount (353 mg) without saying how much of each component you get.

Superior Joint Care contains three active ingredients. Astaxanthin is a carotenoid antioxidant derived from algae.

Hyaluronic acid is a naturally occurring compound found in connective tissue that helps retain moisture. Krill oil is an omega-3 fatty acid extract from Antarctic krill—small crustaceans similar to shrimp.

The product also contains several inactive ingredients (gelatin capsule, olive oil, glycerin, water, beeswax, colorants, vanillin, titanium dioxide, rosemary extract, caramel color, mixed tocopherols, and blue 1) that serve as fillers, preservatives, and capsule materials.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: joint comfort and mobility support.
  • We looked for evidence on: Osteoarthritis, Rheumatoid arthritis (RA), Carpal tunnel syndrome, joint pain, cartilage health, connective tissue support.
  • The closest evidence on file: Hyaluronic Acid is rated "Insufficient Reliable Evidence To Rate" for Osteoarthritis (Natural Medicines).
  • Also on file: Astaxanthin is rated "Insufficient Reliable Evidence To Rate" for Carpal tunnel syndrome, Osteoarthritis, Rheumatoid arthritis (RA).
  • Also on file: Krill Oil is rated "Insufficient Reliable Evidence To Rate" for Osteoarthritis, Rheumatoid arthritis (RA).

The evidence for these ingredients is mixed. Hyaluronic acid is possibly effective for dry eye and venous leg ulcers (slow-healing leg wounds), though for aging skin the data isn't strong enough to rate.

Krill oil is possibly effective for dry eye as well. Astaxanthin, however, shows insufficient reliable evidence to rate for the conditions studied—including age-related cognitive decline, macular degeneration, aging skin, Alzheimer disease, athletic performance, and carpal tunnel syndrome.

The data we hold doesn't establish whether astaxanthin works for any of these uses.

The evidence, ingredient by ingredient Astaxanthin Hyaluronic Acid Krill Oil

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Astaxanthin and krill oil are generally well tolerated in studies, though long-term safety data for astaxanthin are limited. The most common side effects from astaxanthin are abdominal pain, diarrhea, and red-colored stools; higher doses have caused severe stomach pain in a small number of trial participants.

Krill oil commonly causes gastrointestinal effects—bloating, decreased appetite, diarrhea, fishy burps, flatulence, heartburn, nausea, and stomach discomfort—though these tend to be milder than those from fish oil. Headache, tiredness, and dizziness have been reported rarely.

Hyaluronic acid appears well tolerated overall, though topical use has occasionally caused eczema, redness, itching, and wound infection. There isn't enough safety data for astaxanthin or hyaluronic acid in pregnancy or while breastfeeding—avoid oral hyaluronic acid supplements unless your doctor advises otherwise.

For krill oil, not enough reliable data exists; talk with your doctor or pharmacist before using it during pregnancy or breastfeeding. Avoid krill oil if you have a shellfish allergy, and use caution if you have a bleeding disorder.

Side effects, ingredient by ingredient Astaxanthin Hyaluronic Acid Krill Oil

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 2 of the 3 matched ingredients can interact with medications — Astaxanthin, Krill Oil.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications.
  • For scale: 839 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Check with your doctor or pharmacist before taking this product if you use blood thinners (anticoagulants) or antiplatelet drugs like warfarin or aspirin—krill oil may increase bleeding risk. Also flag any diabetes medications you're on, since krill oil might lower blood sugar.

If you take drugs metabolized by your liver—including some cholesterol, blood pressure, or immunosuppressant medications—astaxanthin theoretically may lower their levels, so confirm with your pharmacist that your dose remains appropriate.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

This product may appeal to you if you're looking for joint support and have dry eyes, since both hyaluronic acid and krill oil carry some evidence for that. However, if you take medications for blood clotting, diabetes, cholesterol, blood pressure, or any other regular prescription drugs, talk with your doctor or pharmacist before starting—particularly because of the potential interactions with blood thinners and how astaxanthin might affect your liver's ability to clear certain medications.

Pregnancy and breastfeeding require a conversation with your healthcare provider before use.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 3 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Dec 26, 2020.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Superior Joint Care, straight from the product label.

Brand Schiff MegaRed
Barcode (UPC) 020525104809
Net contents 30 Softgel(s)
Market status On market
Date entered into DSLD Dec 26, 2020
DSLD ID 241049
Product type Other Combinations
Supplement form Softgel Capsule
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Dairy Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Superior Joint Care by Schiff MegaRed, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Softgel(s)
Maximum serving Sizes:
1 Softgel(s)
UPC/BARCODE
020525104809
IngredientAmount% DV
Cholesterol5 mg1%
Astaxanthin0 NP--
Proprietary Blend353 mg--
Hyaluronic Acid0 NP--
Krill Oil0 NP--

Other ingredients: Gelatin, Olive Oil, Glycerin, Water, Beeswax, Red 40, Ethyl Vanillin, Titanium Dioxide, Rosemary extract, Caramel color, Mixed Tocopherols, Blue 1

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
General Statements

Actual bottle size

Join, earn points & get rewards MegaRed rewards www.megaredrewards.com See cap sticker for details Valid for US residents only. Schiff since 1936

Formulation

Eco-Friendly. Krill is one of earth’s most abundant and sustainable organisms. The harvest of krill is well below conservative international catch guidelines. MegaRed goes a step further by only sourcing krill from the Antarctic where krill is most abundant. This helps the ecosystem maintain a healthy, sustainable krill population.

This product comes from a fishery that has been independently certified to the MSC’s standard for a well-managed and sustainable fishery. www.msc.org Schiff Sure Dissolve softgels are formulated to disintegrate within one hour.

Guaranteed: No added salt (sodium chloride), yeast, wheat, or milk.

Schiff Quality Guarantee Guaranteed for purity, freshness and labeled potency.

3X better joint comfort than Glucosamine + Chondroitin

A human clinical study showed that just one small, easy-to-swallow MegaRed Superior Joint Care softgel per day comforts your joints 3X better than Glucosamine + Chondroitin (G/C).

Easily absorbed

Seals/Symbols

MSC-C-52013 Certified Sustainable Seafood MSC www.msc.org

Brand IP Statement(s)

Superba is a registered trademark of the Aker Group.

2019 RB Health rb Health Hygiene Home Patents: www. rb.com/patents

Formula

Omega-3 + HA + Astaxanthin

Gelatin is derived from bovine sources.

MegaRed Superior Joint Care helps comfort your joints, helping you do more of the thing you enjoy.

MegaRed Superior Joint Care has a unique, proprietary formula that combines powerful omega-3 krill oil with hyaluronic acid - a nutrient that exists naturally in your body and helps lubricate and cushion your joints, and the powerful antioxidant astaxanthin to help promote the overall health of your joints. MegaRed Superior Joint Care uses 100% pure Antarctic krill, tiny crustaceans that thrive in the pristine waters of the Antarctic. MegaRed krill oil provides a unique combination of omega-3 fatty acids, phospholipids and the powerful antioxidant astaxanthin to promote joint comfort.

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: Adults take one (1) softgel daily.

Precautions

Contains shellfish (krill). This product contains sulfites.

Caution: If you are pregnant, breastfeeding, allergic to seafood, have existing medical conditions, taking medications (including blood thinners) or are planning a medical or surgical procedure, consult a healthcare professional before use.

Caution: If you are pregnant, breastfeeding, allergic to seafood, have existing medical conditions, taking medications (including blood thinners) or are planning a medical or surgical procedure, consult a healthcare professional before use.

Keep out of reach of children.

Protected with a tamper evident seal. Do not use if seal under cap is broken or missing.

Storage

Store in a cool, dry place with lid tightly closed. Do not remove freshness pack from bottle.

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

See for yourself

Superior Joint Care by Schiff MegaRed label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Superior Joint Care by Schiff MegaRed

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Softgel(s) Dosage formSoftgel Capsule Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Proprietary Blend

353 mg per serving

Other (inactive) ingredients: Gelatin, Olive Oil, Glycerin, Water, Beeswax, Red 40, Ethyl Vanillin, Titanium Dioxide, Rosemary extract, Caramel color, Mixed Tocopherols, Blue 1. These complete the product’s ingredient list but are not active constituents.

Interaction report

Superior Joint Care by Schiff MegaRed Drug Interactions

Want to check YOUR meds against Superior Joint Care?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

Go to the checker
838Drugs
838 Moderate

Ingredients driving the most interactions

Krill Oil 208

Each ingredient & the kinds of drugs it affects

For each ingredient in Superior Joint Care with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Astaxanthin2 drug types · 671 drugs

Cytochrome P450 2B6 (Cyp2B6) Substrates

Theoretically, astaxanthin may decrease levels of drugs metabolized by CYP2B6.
In vitro research shows that astaxanthin induces cytochrome CYP2B6 enzyme activity in human hepatocytes. This effect has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, astaxanthin may decrease levels of drugs metabolized by CYP3A4.
In vitro research shows that astaxanthin induces CYP3A4 enzyme activity in human hepatocytes. This effect has not been reported in humans.

Likelihood Possible Evidence D

Krill Oil2 drug types · 208 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, krill oil may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Taking high doses of omega-3 fatty acids from fish oil can modestly decrease platelet aggregation. Since krill oil also contains these fatty acids, taking high doses of krill oil might also inhibit platelet aggregation. Theoretically, taking high doses of krill oil with antiplatelet or anticoagulant drugs might increase the risk of bleeding. However, the omega-3 content of krill oil is much lower than that of fish oil.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, taking krill oil with antidiabetes drugs might increase the risk of hypoglycemia.
Some research in animals and humans shows that krill oil might lower blood glucose levels. However, a small study shows that taking krill oil does not reduce blood glucose levels in patients with type 2 diabetes, most of whom were taking antidiabetes drugs.

Likelihood Possible Evidence B
The maker

Brand information

Manufacturer and brand details for Superior Joint Care, from the product label.

Schiff MegaRed

See all Schiff MegaRed products
Name
RB Health (US) LLC
City
Parsippany
State
NJ
ZipCode
07054-0224
Phone Number
1-800-526-6251
Web Address
www.megared.com
Pharmacist Counseling Corner

Superior Joint Care by Schiff MegaRed: Common Questions

Does Superior Joint Care by Schiff MegaRed interact with any medications?
Yes. Based on its ingredients, Superior Joint Care has a known interaction with 838 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Superior Joint Care contains 3 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Is this safe to take while I'm pregnant?
Not enough safety data exist for astaxanthin or hyaluronic acid during pregnancy, so the data advise against them. Krill oil also lacks reliable safety data in pregnancy. Talk with your doctor or pharmacist for personalized advice before taking this product while pregnant.
Can I take this if I have a shellfish allergy?
Krill are small crustaceans, so the data advise against krill oil if you have a shellfish allergy. Since this product contains krill oil, you should avoid it unless you've confirmed with your doctor that it's safe for you.
What side effects might I experience?
The most common side effects are gastrointestinal: abdominal pain, diarrhea, red-colored stools (from astaxanthin), or bloating, gas, fishy burps, heartburn, nausea, and stomach discomfort (from krill oil). These are usually mild, though higher doses of astaxanthin have caused severe stomach pain in a small number of people.
Does this product actually help with joint health?
The data we hold don't establish whether astaxanthin works for joint health or related conditions. Hyaluronic acid and krill oil are possibly effective for dry eye, and hyaluronic acid may help with venous leg ulcers, but evidence for aging skin and other uses isn't strong enough to rate.
Should I avoid this if I take a blood thinner like warfarin?
Yes, talk with your doctor or pharmacist first. Krill oil contains omega-3 fatty acids that may increase bleeding risk if combined with anticoagulant or antiplatelet drugs, and this is a Moderate-severity concern. Your doctor may need to monitor you or adjust your dose.
Is there a lot of filler in this product?
The product contains several inactive ingredients—gelatin, olive oil, glycerin, water, beeswax, colorants, and preservatives—which serve as the capsule material and stabilizers. This is typical for softgel supplements and allows the active ingredients to be absorbed.

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

Not sure if Superior Joint Care is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Superior Joint Care label
Sources

Sources & How We Checked

Superior Joint Care's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 20 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Astaxanthin 3 references
  1. Kupcinskas L, Lafolie P, Lignell A, et al. Efficacy of the natural antioxidant astaxanthin in the treatment of functional dyspepsia in patients with or without Helicobacter pylori infection: A prospective, randomized, double blind, and placebo-controlled
  2. Kistler, A., Liechti, H., Pichard, L., Wolz, E., Oesterhelt, G., Hayes, A., and Maurel, P. Metabolism and CYP-inducer properties of astaxanthin in man and primary human hepatocytes. Arch.Toxicol. 2002;75(11-12):665-675. PubMed
  3. Choi HD, Youn YK, Shin WG. Positive effects of astaxanthin on lipid profiles and oxidative stress in overweight subjects. Plant Foods Hum Nutr. 2011;66:363-369. PubMed

See these in context on the Astaxanthin monograph →

Hyaluronic Acid 4 references
  1. Park Y, Song JS, Choi CY, Yoon KC, Lee HK, Kim HS. A randomized multicenter study comparing 0.1%, 0.15%, and 0.3% sodium hyaluronate with 0.05% cyclosporine in the treatment of dry eye. J Ocul Pharmacol Ther. 2017;33(2):66-72. PubMed
  2. U.S. Food and Drug Administration. Do Not Use Needle-Free Devices for Injection of Dermal Fillers - FDA Safety Communication. October 8, 2021. Available at: https://www.fda.gov/medical-devices/safety-communications/do-not-use-needle-free-devices-injection
  3. Disphanurat W, Srisantithum B. Efficacy and safety of 0.15% isobutylamido thiazolyl resorcinol combined with hyaluronic acid vs 0.15% isobutylamido thiazolyl resorcinol or hyaluronic acid alone in melasma treatment: A randomized evaluator-blind trial. J C PubMed
  4. Humbert P, Mikosinki J, Benchikhi H, Allaert FA. Efficacy and safety of a gauze pad containing hyaluronic acid in treatment of leg ulcers of venous or mixed origin: a double-blind, randomised, controlled trial. Int Wound J 2013;10(2):159-66. PubMed

See these in context on the Hyaluronic Acid monograph →

Krill Oil 13 references
  1. Leaf A. On the reanalysis of the GISSI-Prevenzione. Circulation 2002;105:1874-5. PubMed
  2. Connor WE. n-3 Fatty acids from fish and fish oil: panacea or nostrum? Am J Clin Nutr 2001;74;415-6. PubMed
  3. Calder PC. N-3 polyunsaturated fatty acids, inflammation and immunity: pouring oil on troubled waters or another fishy tale? Nutr Res 2001;21:309-41. DOI
  4. Bunea R, El Farrah K, Deutsch L. Evaluation of the effects of Neptune Krill Oil on the clinical course of hyperlipidemia. Altern Med Rev 2004;9:420-8.
  5. Sampalis F, Bunea R, Pelland MF, et al. Evaluation of the effects of Neptune Krill Oil on the management of premenstrual syndrome and dysmenorrhea. Altern Med Rev 2003;8:171-9.
  6. Harris WS, Miller M, Tighe AP, et al. Omega-3 fatty acids and coronary heart disease risk: clinical and mechanistic perspectives. Atherosclerosis 2008;197:12-24. PubMed
  7. Tandy S, Chung RW, Wat E, et al. Dietary krill oil supplementation reduces hepatic steatosis, glycemia, and hypercholesterolemia in high-fat-fed mice. J Agric Food Chem 10-14-2009;57:9339-45. PubMed
  8. Maki, K. C., Reeves, M. S., Farmer, M., Griinari, M., Berge, K., Vik, H., Hubacher, R., and Rains, T. M. Krill oil supplementation increases plasma concentrations of eicosapentaenoic and docosahexaenoic acids in overweight and obese men and women. Nutr.R PubMed
  9. Albert BB, Derraik JG, Brennan CM, et al. Supplementation with a blend of krill and salmon oil is associated with increased metabolic risk in overweight men. Am J Clin Nutr 2015;102(1):49-57.
  10. Berge K, Musa-Veloso K, Harwood M, Hoem N, Burri L. Krill oil supplementation lowers serum triglycerides without increasing low-density lipoprotein cholesterol in adults with borderline high or high triglyceride levels. Nutr Res 2014;34(2):126-33. PubMed
  11. Lobraico JM, DiLello LC, Butler AD, Cordisco ME, Petrini JR, Ahmadi R. Effects of krill oil on endothelial function and other cardiovascular risk factors in participants with type 2 diabetes, a randomized controlled trial. BMJ Open Diabetes Res Care. 2015 PubMed
  12. van der Wurff ISM, von Schacky C, Bergeland T, Zeegers MP, Kirschner PA, de Groot RHM. Krill oil supplementation's effect on school grades in typically developing adolescents. Prostaglandins Leukot Essent Fatty Acids 2023;191:102553. PubMed
  13. van der Wurff ISM, von Schacky C, Bergeland T, et al. Effect of 1 year krill oil supplementation on cognitive achievement of Dutch adolescents: A double-blind randomized controlled trial. Nutrients. 2019;11(6):1230. PubMed

See these in context on the Krill Oil monograph →

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

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