Peptides seem to be everywhere — and there are more on the way. Adherents promise these tiny chains of amino acids can help you lose weight , keep your skin clear , and slow down the aging process . While a person who really wants to acquire peptides right now can do so fairly easily, they are not, strictly speaking, legal — which might be why a peptide “club” with a 300-person waitlist has popped up in San Francisco. But access could soon expand: Peptides have support from the nation’s wellness influencer-in-chief , US Health Secretary Robert F. Kennedy Jr., and the Food and Drug Administration is expected to relax restrictions for a dozen peptides. Good Medicine A newsletter for anyone trying to make sense of their health. “Peptide” is maybe the buzziest word in health care right now — but, as usual, the social media mania masks a much more complicated scientific reality. Peptides are not inherently bad, but not all of the peptides being hawked by wellness influencers are the same.…