FitorexCollagen + Vitamin C
Emerging evidence for connective tissue, not for muscle.
What it is for
Possible support for tendons, ligaments and connective tissue.
How it works
It provides glycine/proline; with vitamin C it may stimulate collagen synthesis in connective tissue.
Dosing
15 g of collagen + ~50 mg of vitamin C.
When to take it
30–60 min before training or tendon/rehabilitation work.
Safety
Safe.
Side effects
Rare digestive discomfort.
Interactions
None relevant.
Contraindications
None in healthy people.
Who it has been studied in
Of interest for tendon/ligament injuries and rehabilitation.
Frequently asked
Is it useful for muscle?
No: it is an incomplete protein (low leucine). For muscle, use whey or food.
- Evidence tier
- C
- Quality
- Low-moderate
- Studies
- A few promising RCTs
- Consensus
- Emerging
- Controversy
- How much actually reaches the tendon? Debated
- Reviewed
- 2023
Strength of evidence out of 5.