Collagen + vitamin C
Small human trials, alongside rehab exercise.
Grade B: Some human proof
Small, early or mixed results in people.
The grade is for the use people talk about, not for every use. Filed under: Repair.
How it works
Supplies the building blocks of tendon. Vitamin C helps lock collagen together.
How it was given in studies
By mouth. In the trials people swallowed it as a capsule, tablet, powder or drink.
This is what the studies did. It is not a how-to.
What studies saw
Taken before exercise, it raised collagen-building markers in a study of 8 men. Tendon changes showed up after 3 to 15 weeks of training.
The trade-off
Only tested alongside loading exercise, never on its own.
When it showed up, in studies
Collagen-building markers rose within days in one small study.
Tendon changes after 3 to 15 weeks of training.
Sources
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Keep going
We show what studies found. We never tell you what to take. Doses vary by study. Check the sources and talk to a doctor.