An inconclusive account is useful if it stops the next person mistaking a story for a controlled comparison.

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

Same here.

Three questions kill most of the confidence in a thread like this: sample size, blinding, who paid. Same for me with testosterone cypionate, unfortunately.

Narrow conclusion.

Loose evidence and no evidence are different, and people overcorrect in both directions.

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

Is a baseline blood test really necessary before starting something like this?

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

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

Read methods.

My rule, after years of this: if it cannot survive being written down with the numbers attached, it is marketing.