Is collagen safe in pregnancy?

Updated 9 Nov 2026

Short answer

No trial of collagen supplements in pregnancy or breastfeeding was found in PubMed. The skin trials in a 2021 review enrolled adults aged 20 to 70, and the training trials in a 2024 review healthy adults.^[1]^[2] Ask a doctor or pharmacist before you take collagen while pregnant or breastfeeding.^[1]

Sources (2)

Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. de Miranda RB, Weimer P, Rossi RC Int J Dermatol, 2021. PMID 33742704
Impact of Collagen Peptide Supplementation in Combination with Long-Term Physical Training on Strength, Musculotendinous Remodeling, Functional Recovery, and Body Composition in Healthy Adults: A Systematic Review with Meta-analysis. Bischof K, Moitzi AM, Stafilidis S, König D Sports Med, 2024. PMID 39060741

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For education; not medical advice. Talk to a doctor before you start, stop or change a supplement.