Vitamin C
Collagen synthesis, immune support, and antioxidant.
Dose & timing
- 500 mg — daily
Why it’s in the 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 on Amazon
| United States (Amazon.com) | Buy on Amazon.com ✓ verified ASIN |
| United Kingdom (Amazon.co.uk) | Buy on Amazon.co.uk ✓ verified ASIN |
| Germany (Amazon.de) | Buy on Amazon.de ✓ verified ASIN |
| France (Amazon.fr) | Buy on Amazon.fr ✓ verified ASIN |
| Spain (Amazon.es) | Buy on Amazon.es ✓ verified ASIN |
| Italy (Amazon.it) | Buy on Amazon.it ✓ verified ASIN |
| Poland (Amazon.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 verified product listing where one exists, otherwise to a targeted Amazon search built from the product, dose and brand hint.
What dose of Vitamin C does the Blueprint protocol use?
500 mg — daily.
Why is Vitamin C in the longevity 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.