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PeptideClear UK

FAQ · Collagen

What is the best time of day to take collagen?

For tendon and connective tissue

60 minutes before exercise. Shaw 2017 showed peak amino acid availability in the bloodstream around 60 minutes post-ingestion. Exercise drives blood flow to connective tissue; the combination of available amino acid substrate plus exercise-driven tissue blood flow produces measurable increases in collagen synthesis at the tendon. This protocol is the strongest piece of evidence in the entire oral-collagen literature.

For skin goals

Any consistent daily time. There is no published evidence that morning vs evening matters for skin outcomes specifically. Consistency is the higher-impact variable; the published RCTs measured outcomes at 60 to 90 days of daily use. A missed day occasionally is fine; a missed week regularly probably means no benefit.

For UC-II joint goals

Any time, but consistent timing supports the oral tolerance pathway. Most published UC-II trials used a single 40 mg capsule per day; some used 30 minutes before a meal, others on an empty stomach in the morning. The mechanism (immune tolerance training) is dose-dependent and timing-flexible.

With or without food

Collagen amino acids are absorbed efficiently with or without food. Some users find empty-stomach intake produces faster availability for the pre-exercise timing; others prefer with food for digestive comfort. The functional difference is small.

With coffee or tea

Hydrolysed collagen powders mix well in coffee or tea. The hot liquid does not denature them (hydrolysed collagen is already broken; further heat does not damage it further). Black coffee with 10 g collagen is a popular delivery vehicle. Vitamin C can be added as a supplement or via a slice of citrus.

Related: Why vitamin C alongside collagen · Daily dose · Dose calculator.

Reviewed by Oliver Mackman, editorial director · last reviewed 2026-05-20T12:00:00.000Z
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