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Relationship between gut microbiota and thyroid function: A two-sample Mendelian randomization study

Too much signal and you waste money without additional benefit, the response curve plateaus rather than climbing indefinitely

Vitamin B12 deficiency can lead to serious health issues

A 2025 systematic review of the musculoskeletal literature found that BPC-157 improved outcomes in muscle, tendon, ligament, and bone injury models, while noting that the evidence comes largely from animal studies [1]

If you are B12 deficient, correcting that deficiency whether through injections or oral supplements can significantly improve energy levels