Safety Profile
Overall safety rating: Generally Safe
Collagen Side Effects & Safety
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Potential Side Effects
- Generally very well tolerated with minimal side effects
- Mild bloating or feeling of fullness at higher doses (>15g)
- Unpleasant taste in unflavored marine collagen products
- Rare: allergic reaction in individuals with fish or shellfish allergies (marine collagen)
- May leave a lingering aftertaste
Drug & Supplement Interactions
- No significant drug interactions known for collagen peptides
- May need to separate from calcium supplements as both compete for absorption
Maximum Dose
Do not exceed: No established upper limit; doses up to 30g daily studied without adverse effects
References
- de Miranda RB, Weimer P, Rossi RC (2021). Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. International Journal of Dermatology. DOI PubMed
- Shaw G, Lee-Barthel A, Ross ML, Wang B, Baar K (2017). Vitamin C-enriched gelatin supplementation before intermittent activity augments collagen synthesis. American Journal of Clinical Nutrition. DOI PubMed
- Clark KL, Sebastianelli W, Flechsenhar KR, et al. (2008). Twenty-four-week study on the use of collagen hydrolysate as a dietary supplement in athletes with activity-related joint pain. Current Medical Research and Opinion. DOI PubMed
- Lugo JP, Saiber ZM, Ahn CW, et al. (2013). Undenatured type II collagen (UC-II) for joint support: a randomized, double-blind, placebo-controlled study in healthy volunteers. Journal of the International Society of Sports Nutrition. DOI PubMed