Straight answers to the health questions you're asking

These guides answer the questions people bring to us about weight, healthy aging and peptides, in plain language. A physician reviews each one, lists the sources and grades the evidence. They're here to help you make sense of what you've read. When you're ready to talk about your own health, you can book a video visit with an obesity medicine physician.

Reviewed by Darshan Patel, MD, Obesity medicine physician, on 2026-11-12. Next review 2027-05-11.

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Find your answer by goal

I want to lose weight and keep it off.

I want to keep the weight off.

I want to stay healthy as I get older.

I'm curious about peptides.

Rather talk it through? Book a video consultation with an obesity medicine physician. Most major insurance accepted, plus convenient cash pay options. Book my consultation

More to read

Why people trust our answers

  • Every guide is reviewed by a physician, Darshan Patel, MD, an obesity medicine physician.
  • Every guide lists its sources, so you can check them yourself.
  • Treatments get an evidence grade, from A (several large trials in people agree) to D (mostly animal or lab studies).
  • Peptide guides are reviewed every month, because the rules are changing fast.
  • Read our editorial policy for how we grade evidence, choose sources and correct mistakes.

Questions people ask

Have a question about your own health?

Book a video visit with an obesity medicine physician. You'll talk through your goals, your history and what you've read, and leave with a plan built around you. Most major insurance accepted, plus convenient cash pay options.

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Sources

  1. HHS: Enforcement Discretion Policy Regarding 503A Compounding Using Certain Peptide Bulk Drug Substances (October 2026)
  2. HHS: Physical Activity Guidelines for Americans, 2nd edition (2018)