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I was struggling to build muscle. My weight was really low. After adding Niagen (and a few other supplements) to my diet, I gained 10 pounds.

This was literally after ~1-2 years of 0 growth, and not much has changed aside from that in terms of my diet and exercise routine.

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Why would an increased rate of DNA repair lead to increased muscular hypertrophy?

According to a recent study, it appears that "lower NAD+ levels are deleterious for muscle health and higher NAD+ levels augment muscle health. [1]"

[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5840929/

I only skimmed your paper, but it looks like any positive effect is from better mitochondrial function. While I’m sure that’s a good thing, it’s not what the article is talking about, so to say that your experience proves that it really works is a little misleading.

One person's experience never proves anything in a macro sense, as I'm sure the person you're responding to understands.

All it proves is that through actual biological processes or through placebo effect it has an effect on OP.

If you stopped the dosage, would you expect to lose the weight and muscle? Seems easy to test.

Can you share your diet and exercise routine please? I do have the same problem.

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