Interactions on record — worth a quick check against your medications. Based on 3 of 4 ingredients. Check your meds →
Dietary supplement

Collagen II Plus Ingredients & Drug Interactions

by Roex

Collagen II Plus label
See full label image
Capsule Category: Other Combinations
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Collagen II Plus against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Collagen II Plus is a dietary supplement by Roex with 4 active ingredients. Its ingredients are commonly taken for osteoarthritis joint pain, joint stiffness, cartilage support.Based on those ingredients, 2 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Chondroitin Sulfate. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Collagen II Plus by Roex

Ask about any prescription or over-the-counter medication and we check it for interactions with Collagen II Plus by Roex — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Collagen II Plus by Roex

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 4 of its 4 active ingredients.
  • “BioCell Collagen” is listed as a grouped ingredient — the label gives one combined amount (1,500 mg) without saying how much of each component you get.

Collagen II Plus contains 4 active ingredients aimed at joint and skin health. Chondroitin sulfate (in two forms) and hydrolyzed collagen type II are structural components meant to support cartilage and connective tissue.

Hyaluronic acid is a naturally occurring compound that helps skin retain moisture. The product also contains BioCell Collagen, a branded blend.

The capsules include vegetable cellulose, magnesium stearate, and silica as inactive ingredients.

Does it work?

Moderate evidence
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
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: Joint health and skin elasticity.
  • We looked for evidence on: Aging skin, Dry eye, Osteoarthritis, Wound healing, Cartilage support, Joint comfort.
  • The strongest evidence on file: Chondroitin Sulfate is rated "Possibly Effective" for Osteoarthritis (Natural Medicines).
  • Also on file: Hyaluronic Acid is rated "Possibly Effective" for Dry eye.
  • Also on file: Collagen Peptides is rated "Possibly Effective" for Aging skin.

The chondroitin in this product is rated possibly effective for osteoarthritis and cataracts. Hyaluronic acid is rated possibly effective for dry eye and venous leg ulcers.

For aging skin — a claim that might appeal to you — the evidence for both chondroitin and hyaluronic acid is insufficient to rate. For osteoporosis, high cholesterol, and colorectal adenoma prevention, evidence is also insufficient.

The data we hold doesn't establish effectiveness for several of these uses.

The evidence, ingredient by ingredient Chondroitin Sulfate Hyaluronic Acid Collagen Peptides

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.

Chondroitin sulfate is generally well tolerated for short-term use, though quality varies. The most common side effects when taken by mouth are abdominal pain, bloating, constipation, diarrhea, heartburn, and nausea.

Rare reports exist of liver damage and skin reactions including rashes, eyelid or leg swelling, and hives. One case of worsening asthma has been reported with a glucosamine-chondroitin combination.

Hyaluronic acid also appears well tolerated, though long-term safety of oral supplements hasn't been fully studied. Don't take this product during pregnancy or while breastfeeding — there isn't enough safety information for either.

Talk with your doctor or pharmacist about whether it's right for you if you're pregnant, nursing, or planning to be.

Side effects, ingredient by ingredient Chondroitin Sulfate Hyaluronic Acid Collagen Peptides

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?
  • 1 of the 3 matched ingredients can interact with medications — Chondroitin Sulfate.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs.
  • For scale: 2 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.

If you take warfarin (Coumadin) or any other blood thinner (anticoagulant), you need to check with us before starting this product — chondroitin sulfate may increase its blood-thinning effects, which could be serious. For the other ingredients we could check, no interactions are documented in our data, but that's not a guarantee none exist.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Collagen II Plus may be worth considering if you have osteoarthritis or cataracts and want to try chondroitin, or if dry eyes are a concern and you're interested in hyaluronic acid. If you take warfarin or any blood thinner, check with your pharmacist first — this product may affect how it works.

Pregnant or breastfeeding? Skip it unless your doctor says otherwise.

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

Assessment coverage: 4 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jan 23, 2023.

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 Collagen II Plus, straight from the product label.

Brand Roex
Barcode (UPC) 645245270902
Net contents 90 Capsule(s)
Market status On market
Date entered into DSLD Jan 23, 2023
DSLD ID 279327
Product type Other Combinations
Supplement form Capsule
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
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 Collagen II Plus by Roex, 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:
3 Vegetable Capsule(s)
Maximum serving Sizes:
3 Vegetable Capsule(s)
Servings per container
30
UPC/BARCODE
645245270902
IngredientAmount% DV
Chondroitin Sulfate300 mg--
Hyaluronic Acid150 mg--
Hydrolyzed Collagen Type II900 mg--
BioCell Collagen1500 mg--
Chondroitin Sulfate Sodium500 mg--

Other ingredients: Vegetable Cellulose, Magnesium Stearate, Silica

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.
Precautions

Do not use if clear safety seal around bottle neck is broken or missing.

Warning: Consult your physician prior to use if you are pregnant, nursing, have a medical condition, taking medications, or have difficulty swallowing.

Not intended for children.

Keep out of reach of children.

Formula

Roex Collagen II Plus combines the unique benefits of BioCell Collagen with added chondroitin sulfate. BioCell Collagen is a patented combination of hydrolyzed type II collagen, chondroitin sulfate and hyaluronic acid that has been clinically tested to confirm efficacy, safety and bioavailability.

Enhanced with additional Chondroitin Sulfate

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.

Storage

Store at room temperature, in a dry place.

Formulation

Maximum absorption formula Helps maintain joint health Helps promote skin elasticity and firmness

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: Adults, take 3 capsules once daily preferably twenty minutes before eating as a dietary supplement or as directed by your doctor.

Brand IP Statement(s)

BioCell Collagen is a trademark of BioCell Technology LLC, Newport Beach, California USA (US Patents 6,025,327; 6,323,319; 6,780,841; 7,091,180; 7,799,348; 8,563,045)

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Collagen II Plus by Roex label

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

Collagen II Plus label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Collagen II Plus by Roex

These are the 4 active ingredients this product is made of. Select any to open its full monograph.

Serving size3 Vegetable Capsule(s) Dosage formCapsule Servings per container30 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.

BioCell Collagen

1500 mg per serving

Chondroitin Sulfate Sodium

Interacts with
2 drugs
500 mg per serving Form: Bovine

Chondroitin sulfate is a naturally occurring building block of cartilage that is widely taken, often with glucosamine, for osteoarthritis joint pain....

Chondroitin Sulfate Sodium monograph & interactions

Other (inactive) ingredients: Vegetable Cellulose, Magnesium Stearate, Silica. These complete the product’s ingredient list but are not active constituents.

Interaction report

Collagen II Plus by Roex Drug Interactions

Want to check YOUR meds against Collagen II Plus?

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
2Drugs
2 Moderate

Ingredients driving the most interactions

Chondroitin Sulfate 2

Individual Drug Interactions

The ingredients in Collagen II Plus interact with 2 drugs. Click any drug to see the details.

1 of the 4 ingredients in Collagen II Plus interact with drugs. Each result below shows which ingredient is responsible. Chondroitin Sulfate

Each ingredient & the kinds of drugs it affects

For each ingredient in Collagen II Plus with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Chondroitin Sulfate1 drug type · 2 drugs

Warfarin (Coumadin)

Taking chondroitin in combination with glucosamine might increase the anticoagulant effects of warfarin. However, the effect of chondroitin alone is unclear.
There have been multiple reports of increased international normalized ratio (INR) in patients taking warfarin with glucosamine, with or without chondroitin. The lack of reports with chondroitin alone seem to suggest that the interactions occurring in these reports may have been due to glucosamine. In two individual case reports, glucosamine/chondroitin combinations were associated with a significant increase in INR in patients previously stabilized on warfarin. Additionally, 20 voluntary case reports to the US Food & Drug Administration (FDA) have linked glucosamine plus chondroitin with increased INR, bruising, and bleeding in patients who were also taking warfarin. There have also been 20 additional case reports to the World Health Organization (WHO) that link glucosamine alone, without chondroitin, to increased INR in patients taking warfarin.

Likelihood Unlikely Evidence D
Chondroitin Sulfate full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Collagen II Plus, from the product label.

Roex

See all Roex products
Name
BIN Science, LLC
Street Address
251 Little Falls Drive
City
Wilmington
State
DE
ZipCode
19808
Phone Number
800-645-0010
Web Address
www.binscience.com
Pharmacist Counseling Corner

Collagen II Plus by Roex: Common Questions

Does Collagen II Plus by Roex interact with any medications?
Yes. Based on its ingredients, Collagen II Plus has a known interaction with 2 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Collagen II Plus contains 4 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.
Will this help my joint pain?
Chondroitin in this product is rated possibly effective for osteoarthritis. The evidence is real but not conclusive — some people find it helpful, some don't. Quality of chondroitin supplements varies, so results aren't guaranteed.
Can I take this if I'm on blood thinners?
Not without checking first. Chondroitin may increase how much warfarin thins your blood, which could cause problems. Talk to your pharmacist before starting — we can help figure out if it's safe for your specific situation.
What are the side effects?
Most commonly, people report stomach upset — bloating, nausea, diarrhea, or constipation. Skin rashes and water retention around the eyes have also been reported, though they're less common. If you have asthma, be aware one case of asthma worsening was reported with a similar product.
Is this safe during pregnancy?
No — there isn't enough safety data. The facts on file advise against using it if you're pregnant. Talk with your doctor about what you can take instead.
What does hyaluronic acid do in this product?
Hyaluronic acid helps skin hold onto water, so it's added for skin hydration. It's rated possibly effective for dry eye and venous leg ulcers, but evidence for anti-aging skin benefits is insufficient.

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

Not sure if Collagen II Plus is safe with your meds?

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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.

Collagen II Plus label
Go deeper

The Full Monographs Behind Collagen II Plus’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Chondroitin Sulfate

Interacts with 2 drugs

Chondroitin sulfate is a naturally occurring building block of cartilage that is widely taken, often with glucosamine, for osteoarthritis joint pain. The evidence is mixed—some people report...

Read the full Chondroitin Sulfate monograph → Herb & supplement monograph

Hyaluronic Acid

Hyaluronic acid is a natural substance in the body that helps hold water in the skin, joints, and eyes. Oral and topical products are popular for skin moisture and joint comfort, and the evi...

Read the full Hyaluronic Acid monograph → Herb & supplement monograph

Collagen Peptides

Collagen peptides are a well-absorbed form of protein that may modestly improve skin elasticity and joint comfort for some people, though evidence is still developing and results vary. They...

Read the full Collagen Peptides monograph →
Sources

Sources & How We Checked

Collagen II Plus'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 28 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.

Chondroitin Sulfate 22 references
  1. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Washington, DC: National Academy Press, 2002.
  2. Tallia AF, Cardone DA. Asthma exacerbation associated with glucosamine-chondroitin supplement. J Am Board Fam Pract 2002;15:481-4..
  3. Danao-Camara T. Potential side effects of treatment with glucosamine and chondroitin. Arthritis Rheum 2000;43:2853. PubMed
  4. Rozenfeld V, Crain JL, Callahan AK. Possible augmentation of warfarin effect by glucosamine-chondroitin. Am J Health Syst Pharm 2004;61:306-307. PubMed
  5. Clegg DO, Reda DJ, Harris CL, et al. Glucosamine, chondroitin sulfate, and the two in combination for painful knee osteoarthritis. N Engl J Med 2006;354:795-808. DOI
  6. Knudsen J, Sokol GH. Potential glucosamine-warfarin interaction resulting in increased international normalized ratio: Case report and review of the literature and MedWatch database. Pharmacotherapy 2008;28:540-8. PubMed
  7. Yue QY, Strandell J, Myrberg O. Concomitant use of glucosamine potentiates the effect of warfarin. Jan 2006. Drug Safety 29(10):911-1010. DOI
  8. Nordling, J. and van, Ophoven A. Intravesical glycosaminoglycan replenishment with chondroitin sulphate in chronic forms of cystitis. A multi-national, multi-centre, prospective observational clinical trial. Arzneimittelforschung. 2008;58(7):328-335. PubMed
  9. Nickel, J. C., Egerdie, B., Downey, J., Singh, R., Skehan, A., Carr, L., and Irvine-Bird, K. A real-life multicentre clinical practice study to evaluate the efficacy and safety of intravesical chondroitin sulphate for the treatment of interstitial cystit
  10. Oliviero, U., Sorrentino, G. P., De Paola, P., Tranfaglia, E., D'Alessandro, A., Carifi, S., Porfido, F. A., Cerio, R., Grasso, A. M., Policicchio, D., and . Effects of the treatment with matrix on elderly people with chronic articular degeneration. Drug
  11. Crowley, D. C., Lau, F. C., Sharma, P., Evans, M., Guthrie, N., Bagchi, M., Bagchi, D., Dey, D. K., and Raychaudhuri, S. P. Safety and efficacy of undenatured type II collagen in the treatment of osteoarthritis of the knee: a clinical trial. Int.J.Med.Sc PubMed
  12. Nickel, J. C., Egerdie, R. B., Steinhoff, G., Palmer, B., and Hanno, P. A multicenter, randomized, double-blind, parallel group pilot evaluation of the efficacy and safety of intravesical sodium chondroitin sulfate versus vehicle control in patients with
  13. Sawitzke, A. D., Shi, H., Finco, M. F., Dunlop, D. D., Harris, C. L., Singer, N. G., Bradley, J. D., Silver, D., Jackson, C. G., Lane, N. E., Oddis, C. V., Wolfe, F., Lisse, J., Furst, D. E., Bingham, C. O., Reda, D. J., Moskowitz, R. W., Williams, H. J.
  14. Wildi, L. M., Raynauld, J. P., Martel-Pelletier, J., Beaulieu, A., Bessette, L., Morin, F., Abram, F., Dorais, M., and Pelletier, J. P. Chondroitin sulphate reduces both cartilage volume loss and bone marrow lesions in knee osteoarthritis patients starti
  15. Pavelka and et al. Double-blind, dose effect study of oral cs 4 & 6 1200mg, 800mg, 200mg against placebo in the treatment of femorotibial osteoarthritis. Wular Rheumatol Liter 1998;27(suppl 2):63.
  16. Cerda C, Bruguera M, Parés A. Hepatotoxicity associated with glucosamine and chondroitin sulfate in patients with chronic liver disease. World J Gastroenterol 2013;19(32):5381-4. PubMed
  17. von Felden J, Montani M, Kessebohm K, Stickel F. Drug-induced acute liver injury mimicking autoimmune hepatitis after intake of dietary supplements containing glucosamine and chondroitin sulfate. Int J Clin Pharmacol Ther 2013;51(3):219-23. PubMed
  18. Provenza JR, Shinjo SK, Silva JM, Peron CR, Rocha FA. Combined glucosamine and chondroitin sulfate, once or three times daily, provides clinically relevant analgesia in knee osteoarthritis. Clin Rheumatol 2015;34:1455-62. PubMed
  19. Ossendza RA, Grandval P, Chinoune F, Rocher F, Chapel F, Bernardini D. [Acute cholestatic hepatitis due to glucosamine forte]. Gastroenterol Clin Biol. 2007 Apr;31(4):449-50.
  20. Greenlee H, Crew KD, Shao T, Kranwinkel G, Kalinsky K, Maurer M, Brafman L, Insel B, Tsai WY, Hershman DL. Phase II study of glucosamine with chondroitin on aromatase inhibitor-associated joint symptoms in women with breast cancer. Support Care Cancer 201 PubMed
  21. Chu EC, Huang KHK, Cheung G, Ng G, Lin A. Delayed Skin Allergy to Glucosamine Chondroitin Supplement. Cureus 2023;15(3):e36310. PubMed
  22. Lila AM, Alekseeva LI, Baranov AA, et al. Chondroitin sulfate and glucosamine combination in patients with knee and hip osteoarthritis: A long-term observational study in Russia. World J Orthop 2023;14(6):443-457. PubMed

See these in context on the Chondroitin Sulfate 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 →

Collagen Peptides 2 references
  1. Trc T, Bohmová J. Efficacy and tolerance of enzymatic hydrolysed collagen (EHC) vs. glucosamine sulphate (GS) in the treatment of knee osteoarthritis (KOA). Int Orthop. 2011;35(3):341-8. PubMed
  2. Evans M, Lewis ED, Zakaria N, Pelipyagina T, Guthrie N. A randomized, triple-blind, placebo-controlled, parallel study to evaluate the efficacy of a freshwater marine collagen on skin wrinkles and elasticity. J Cosmet Dermatol. 2021;20(3):825-834. PubMed

See these in context on the Collagen Peptides 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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