Sports Research Multi Collagen Protein Powder (Type I, II, III, V, X) with Hyaluronic Acid + Vitamin C | 5 Types of Food Based Collagen, 30 Servings (Unflavored)

Clinical trials typically use 5-15g hydrolyzed collagen peptides daily. Sports Research Multi Collagen Protein delivers 1 scoop (approximately 11g) daily, which we classify as Therapeutic relative to that range.

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

Yes — Third-Party Tested. Third-party testing verifies ingredient identity and label accuracy.

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

Collagen peptides are generally considered very low risk for drug interactions. The vitamin C added to the formula is at supplemental levels and is not expected to conflict with common medications. However, if you are on blood thinners or immunosuppressants, check with your doctor before adding any new supplement, particularly those containing marine-derived ingredients.

Hydrolyzed collagen peptides have been studied at 10g/day for up to 24 weeks without significant adverse events in clinical trials. Some users report mild bloating when first introducing collagen protein, which typically resolves within one to two weeks. Long-term daily use is considered safe for most healthy adults.

A subset of users experience mild gas or bloating during the first week of use as the body adjusts to increased dietary glycine and proline. Mixing in cold rather than warm liquid may reduce digestive sensitivity for those prone to upset. The unflavored formula contains no artificial sweeteners that could contribute to GI distress.

Yes — collagen powder pairs well with omega-3 fatty acids, magnesium, vitamin D, and biotin. The vitamin C already in the formula supports collagen synthesis, so additional vitamin C mega-dosing is unnecessary. Avoid mixing with very high-calcium supplements at the same time, as excess calcium can interfere with some amino acid absorption.

Take one scoop daily in any hot or cold beverage. Individuals with fish or egg allergies must not use this product due to marine collagen and eggshell membrane sources. Store in a cool, dry location. Consult your physician before use if pregnant, nursing, or managing kidney disease, as high-protein intake may warrant monitoring.

Clinical studies on collagen peptides for skin elasticity typically show measurable improvement at 8–12 weeks of daily supplementation at 10g. Joint comfort outcomes from Type II collagen research have shown benefit at 90 days. Hair and nail improvements are frequently reported by users within 4–8 weeks of consistent use.