Blog
Straight answers to the questions patients actually ask about weight loss, fitness, and the biology behind both.
Most programs focus on one outcome. Rx2BFIT addresses the full picture, and these articles do the same: why effort alone does not always move the scale, and how physician-guided treatment works with your biology.
22 articles · Page 2 of 3
- Healthy Aging & WellnessPT-141
PT-141 Side Effects and Safety: What to Know Before Starting
PT-141 (bremelanotide) side effects with label frequencies: nausea, flushing, blood pressure rise, skin darkening, dosing limits, and non-approved product risks.
- Medical Weight LossSemaglutide
Semaglutide Side Effects: What to Expect and When They Ease
How common semaglutide side effects are, when they peak during dose escalation, how long they last, and the serious warning signs, per FDA labels and trials.
- Performance & RecoverySermorelin
Sermorelin vs. HGH: What Is the Difference?
Sermorelin signals your pituitary to release its own growth hormone. HGH is the hormone itself. How they differ in evidence, FDA status, law, and risk.
- Medical Weight LossTirzepatide
Tirzepatide vs. Semaglutide: How Do They Compare?
Tirzepatide led to more weight loss than semaglutide in a head-to-head trial, but semaglutide has more heart outcome data. See the evidence side by side.
- Healthy Aging & WellnessGlow Blend
What Actually Supports Collagen Production as You Age?
Sunscreen, not smoking, and tretinoin have the best human evidence for skin collagen. See how vitamin C, collagen powders, procedures, and peptides compare.
- Medical Weight LossSemaglutide
What Happens When You Stop Taking Semaglutide?
After stopping semaglutide, trials show about two-thirds of lost weight returns within a year as appetite rebounds. What the data say and how to plan for it.
- Performance & RecoveryBPC-157
What Is BPC-157? Evidence, Safety, and Legal Status
BPC-157 is an unapproved synthetic peptide. See what the rat studies show, how little human evidence exists, and its FDA and anti-doping status in 2026.
- Healthy Aging & WellnessGHK-Cu
What Is GHK-Cu? The Copper Peptide Explained
GHK-Cu is a natural copper-binding peptide studied for skin and wound repair. See what the human evidence shows, the FDA status, and copper safety.
- Performance & RecoveryTesamorelin / Ipamorelin
What Is Ipamorelin? How Growth Hormone Secretagogues Work
Ipamorelin is an unapproved growth hormone secretagogue. What the human studies show, why the FDA restricted it for compounding, and the real risks.
- Performance & RecoveryWolverine Blend
What Is TB-500 (Thymosin Beta-4)?
TB-500 is a synthetic fragment of thymosin beta-4 with no published human trials. What the research shows, plus FDA and anti-doping status as of 2026.