Protocol Index

Vitamin C

Collagen synthesis, immune support, and antioxidant.

Vitamin C

Immune Support Collagen

Dose & timing

Why it appeared in the archived stack

Plasma vitamin C saturates around 200–500 mg/day in healthy adults (Levine et al.); higher doses are mostly excreted. Required cofactor for collagen prolyl-hydroxylase, which is why Bryan pairs it with collagen post-workout.

Where to buy

United States (Amazon.com)Buy on Amazon.com ✓ direct ASIN mapped
United Kingdom (Amazon.co.uk)Buy on Amazon.co.uk ✓ direct ASIN mapped
Germany (Amazon.de)Buy on Amazon.de ✓ direct ASIN mapped
France (Amazon.fr)Buy on Amazon.fr ✓ direct ASIN mapped
Spain (Amazon.es)Buy on Amazon.es ✓ direct ASIN mapped
Italy (Amazon.it)Buy on Amazon.it ✓ direct ASIN mapped
Poland (Allegro.pl)Buy on Allegro — 11,00 zł

Related supplements

FAQ

Where can I buy Vitamin C?

Vitamin C is available on Amazon in the US, UK, Germany, France, Spain, Italy and Poland. This page links each marketplace directly — to a mapped product listing where one exists, otherwise to a targeted Amazon search built from the product, dose and brand hint. A mapped ASIN verifies only the link target, not purity, quality, stock or suitability.

What dose of Vitamin C appeared in the January 2024 protocol?

500 mg — daily.

Why did Vitamin C appear in the archived stack?

Plasma vitamin C saturates around 200–500 mg/day in healthy adults (Levine et al.); higher doses are mostly excreted. Required cofactor for collagen prolyl-hydroxylase, which is why Bryan pairs it with collagen post-workout.