Baseline first. Without a baseline the after picture is decoration. Not on collagen peptides but the pattern is familiar.

Read methods.

Test one thing at a time. It feels slower and it is the only way to learn anything.

Narrow conclusion.

What is the first thing you would read if you were starting from zero?

Narrow conclusion.

What is the first thing you would read if you were starting from zero?

Baseline first.

Same here.

This board overrates bloodwork. A number moving is not the outcome you wanted.

Nobody has ever been talked out of a stack by a stranger on the internet.

Stupid question: how do you know whether what is in the vial matches the label at all?

Log dose, time and sleep. Ten seconds a day and it turns the anecdote into something you can look at. Side effects was my main issue with collagen peptides too.

Name the active ingredient, not just the brand. It makes these threads searchable years later.

Same here.