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Daily evidence-led peptide research, regulatory news, expert digest and explainers. Every claim sourced; no AI tells.
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Does retatrutide cause muscle loss?
Retatrutide drives large weight loss, and some of it is lean mass. Here is what the one body-composition study and the wider GLP-1 evidence show.
Does semaglutide cause muscle loss?
Semaglutide drives large weight loss, and some of it is lean mass. Here is what the body-composition data and the wider GLP-1 evidence show.
Is semaglutide safe during pregnancy?
Semaglutide is not recommended in pregnancy. Here is what the Ozempic and Wegovy labels, the animal data, and the human exposure studies actually show.
Peptides for tendon recovery: the evidence
BPC-157 and TB-500 have promising animal data for tendon and ligament repair, but almost no human trial evidence. Here is how to weight it.
Tendon recovery peptides: evidence grade
BPC-157 has consistent animal tendon data. TB-500 has one human ophthalmic RCT. Neither has an RCT for tendons or ligaments. An honest evidence grade.
Retatrutide and gray hair: what we know
Forum users report more gray hairs on retatrutide. The trial and label data do not list greying, and the real threads run through weight loss and nutrition.
Retatrutide and gray hair: evidence review
Community reports tie retatrutide to more gray hairs. No trial confirms this, but rapid weight loss can affect hair pigmentation in ways worth understanding.
Does Retatrutide cause muscle loss?
Phase 2 DXA data shows fat mass declining far more than lean mass, with lean loss proportional to other obesity treatments.
Is retatrutide safe during pregnancy?
Retatrutide is investigational with no approved label. Every trial excluded pregnant women. Here is what the class-level evidence and trial record show.
Can you drink alcohol on retatrutide?
Retatrutide has no approved label, so there is no official alcohol guidance. Here is what the class literature and trial protocols report.
Can I buy Semaglutide online legally?
Semaglutide is prescription-only in the US, UK, and EU. This explainer covers the legal routes by jurisdiction and the risks of grey-market supply.
Does Semaglutide cause muscle loss?
Semaglutide is associated with lean-mass loss, but around one-third of weight lost is lean tissue. Context from STEP 1 and two 2026 meta-analyses.