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Sports Research Collagen Peptides 32 oz (Unflavored) — view 1 of 5
Sports Research

Sports Research Collagen Peptides - Hydrolyzed Type 1 & 3 Collagen Powder Protein Supplement for Healthy Skin, Nails, & Joints - Easy Mixing Vital Nutrients & Proteins, Collagen for Women & Men

4.7· 14,585 Amazon reviews
$59.95$53.95with Subscribe & Save

$1.87/serving

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Price verified Apr 22, 2026

Not evaluated by the FDA · Individual results may vary · Consult a healthcare provider before use

Our verdict

11g hydrolyzed collagen peptides per scoop, 32 servings per 32 oz container of Hydrolyzed Bovine Collagen Peptides (Type I and III) — 11g per scoop per powder from Sports Research…

Third-Party TestedGluten-freeDairy-freeSoy-freeFree of artificial flavors and sweeteners

Why we recommend this

This is Sports Research's flagship collagen peptide value format. With 14,585 reviews at 4.7 stars, it is one of the most validated collagen powders available by pure volume of consumer feedback. The 11g dose per scoop sits in the clinically active range for skin elasticity and joint support. Three quality certifications (Keto, Paleo, Non-GMO) and third-party potency testing make this a trustworthy daily supplement. For consistent daily collagen users who prioritize value, mixing versatility, and bovine Type I and III peptides, this is the most compelling format in the Sports Research collagen lineup.

Check for interactions

Already taking other supplements or prescription medications? Add them below to check for documented interactions, severity, and clinical guidance.

Our database currently documents 137+ supplement and drug-category interaction pairs. Combinations not flagged here may still interact — always consult your healthcare provider before combining supplements, especially with prescription medications.

What to watch out for

The 32 oz format is ideal for committed daily users but represents a significant upfront purchase for first-time collagen buyers who have not yet confirmed product tolerance or preference. The absence of an Informed Choice certification (present on the 7.8 oz packet SKU) means competitive athletes subject to strict anti-doping programs cannot use this specific format with the same confidence as the Informed Choice certified packet version. Buyers with anti-doping requirements should select the Informed Choice certified SR collagen packet format instead.

Dose & form

Serving
11g hydrolyzed collagen peptides per scoop, 32 servings per 32 oz container
Form
Powder
Clinical range
10-15 g daily
Dose adequacy
Therapeutic
Supply
32 servings · $1.87/serving
UPC
023249011781

Who it's best for

Daily collagen users seeking Sports Research's largest unflavored hydrolyzed Type I and III collagen peptide container for maximum value per serving

Who should skip it

Those wanting flavored collagen, individual packets for portability, or marine collagen rather than bovine-sourced peptides

Pros

  • 32-serving container — the most economical per-serving format in the Sports Research collagen peptide lineup
  • 14,585 Amazon reviews at 4.7 stars — one of the highest-rated large-format collagen powders on the platform
  • Keto Certified, Certified Paleo Friendly, and Non-GMO tested — three quality certifications in one product
  • Dissolves fully in both hot and cold liquids without clumping, aftertaste, or residue

Cons

  • Bovine source — not suitable for vegans, vegetarians, or those with beef/bovine allergies
  • No Informed Choice or NSF certification — lacks the banned-substance testing of some SR marine collagen SKUs
  • Large format requires commitment — 32 oz is a two-month supply if used once daily

What customers say

4.7★ across 14,585 Amazon reviews. The most common questions from shoppers: re any potential interactions with medications, re any side effects from long-term use, and cause any digestive issues or side effects. Full answers in the FAQ below.

Frequently Asked Questions

What is the clinical dose for Hydrolyzed Bovine Collagen Peptides (Type I and III) — 11g per scoop?

Clinical trials typically use 10-15 g daily. Sports Research Collagen Peptides 32 oz (Unflavored) delivers 11g hydrolyzed collagen peptides per scoop, 32 servings per 32 oz container, which we classify as Therapeutic relative to that range.

How does Sports Research Collagen Peptides 32 oz (Unflavored) compare to similar Powder?

See the "Also consider" section below for two alternatives. Choose based on form preference (Powder vs alternatives), dose adequacy, and third-party testing.

Is Sports Research Collagen Peptides 32 oz (Unflavored) third-party tested?

Yes — Yes — Keto Certified; Certified Paleo Friendly; Non-GMO tested; 3rd party tested for quality and potency. Third-party testing verifies ingredient identity and label accuracy.

Does this work with Amazon Subscribe & Save?

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

Are there any potential interactions with medications?

Hydrolyzed bovine collagen peptides have no well-documented interactions with common medications. Individuals on immunosuppressants, managing kidney disease with protein restrictions, or taking anticoagulants should consult their physician before adding 11g of protein per serving to their daily regimen.

Are there any side effects from long-term use?

Hydrolyzed collagen peptides are safe for long-term daily use and well tolerated in clinical studies up to 6 months at doses up to 15g per day. The 11g dose in this product falls within the studied safety range. No significant adverse effects have been observed with regular bovine collagen supplementation.

Does it cause any digestive issues or side effects?

Sports Research Collagen Peptides are generally well tolerated. Occasional mild bloating or fullness from the 10g protein per scoop may occur in individuals with sensitive digestion. Taking with a meal or starting at a half scoop for the first week can minimize any GI adjustment period.

Can it be taken with other supplements or vitamins?

Collagen peptides pair particularly well with vitamin C, which directly supports endogenous collagen synthesis. They also combine effectively with biotin, hyaluronic acid, omega-3s, and antioxidant supplements. The unflavored powder integrates seamlessly into any beverage without interfering with other supplement flavors.

Are there any specific instructions for taking it safely?

Mix one scoop into 8–12 oz of hot or cold liquid and stir thoroughly. The hydrolyzed format dissolves fully in cold beverages — no heating required. Avoid use if you have a beef or bovine protein allergy. Store the container sealed between uses to prevent moisture absorption.

How long until benefits are typically experienced?

Clinical evidence for hydrolyzed collagen peptides shows measurable improvements in skin elasticity and hydration after 4 to 8 weeks of daily use, and joint comfort benefits typically emerge after 8 to 12 weeks. Consistent daily supplementation — not periodic use — is required to achieve the outcomes studied in clinical trials.

Also consider

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As an Amazon Associate, we earn from qualifying purchases. Some links below are affiliate links — this doesn't affect our editorial independence or product ratings. How we evaluate products

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer