The Peptide Craze - Part 2: BPC-157, NAD⁺ and the Truth Behind the “Longevity Molecule” Hype
- alexfoxman
- Oct 29
- 3 min read
Updated: Nov 4

The New “Miracle” Trend
Peptides and longevity injections have taken over social media—promising effortless fat loss, tissue regeneration, sharper focus, and even extended lifespan. Now, new names like BPC-157, and NAD⁺ are promoted as “next-generation healing and anti-aging molecules.”
As a physician deeply engaged in evidence-based medicine, I remain highly skeptical of these unregulated compounds and the influencers pushing them without data or accountability. Patients deserve facts—not marketing.
What Peptides Actually Are
Peptides are small chains of amino acids that act as biological messengers in the body. Some are legitimate FDA-approved drugs—such as insulin analogs and GLP-1 medications (Ozempic®, Mounjaro®, Zepbound®)—backed by decades of safety and efficacy research.
But many of the “wellness peptides” now sold online or through cash-only clinics are unapproved experimental substances with little to no human evidence. They are frequently mislabeled, compounded without oversight, and sometimes contaminated.
BPC-157 — the “Body Protection Compound”
BPC-157 is a synthetic 15-amino-acid peptide derived from human gastric proteins. Early animal studies suggested possible roles in wound healing and gut protection.
However:
No large, peer-reviewed human trials exist demonstrating proven benefit.
It is not FDA-approved for any indication.
It is listed as prohibited by WADA for athletes.
It may promote abnormal angiogenesis (new blood-vessel growth), raising theoretical concerns in patients with cancer history.
Most online products labeled “BPC-157” show inconsistent purity when tested.
Bottom line: interesting science—no proven human benefit, and unknown long-term safety.
NAD⁺ and NAD Boosters: Promise vs Proof
Nicotinamide adenine dinucleotide (NAD⁺) is a coenzyme found in every cell, critical for converting food into energy and supporting DNA repair. NAD⁺ levels decline with age, which has sparked a surge of interest in “NAD⁺ IV drips,” “NAD injections,” and oral precursors such as nicotinamide riboside (NR) and nicotinamide mononucleotide (NMN).
What’s real:
NAD⁺ biology is scientifically valid.
Oral precursors (NR, NMN) can raise NAD⁺ levels modestly in humans.
The benefits claimed—reversal of aging, improved cognition, enhanced metabolism—remain unproven in controlled human trials.
The FDA recently declared NMN an investigational drug, not a dietary supplement.
IV NAD⁺ therapies are not FDA-approved, have no standardized dosing, and may cause nausea, flushing, anxiety, or tachycardia.
Verdict: Fascinating research, but far from a proven anti-aging therapy.
The Pattern of Hype
Step | What Happens | Why It’s a Problem |
1 | Basic science or animal studies show potential | Early findings are exaggerated online |
2 | Influencers and “peptide clinics” start selling unapproved products | No quality control, no human safety data |
3 | Patients pay thousands for “biohacking” infusions or injections | Risk of infection, toxicity, or fraud |
4 | FDA issues warning letters years later | Damage often already done |
This same cycle has occurred with BPC-157, NAD⁺ drips, exosomes, senolytics, and rapamycin micro-dosing.
Real Health vs Hype
True health optimization comes from foundational medicine:
Balanced, nutrient-rich diet
Regular physical activity
Restorative sleep
Stress management
Weight control and metabolic balance under physician guidance
Evidence-based medication when clinically appropriate
No injection or powder can replace disciplined, evidence-based lifestyle medicine.
Questions to Ask Before Trying Any “Peptide” or “Longevity” Therapy
Is it FDA-approved or part of a registered clinical trial?
Are there peer-reviewed human studies proving safety and benefit?
Who is manufacturing it, and do they provide a Certificate of Analysis?
Who is administering it—a licensed physician or an “anti-aging consultant”?
What is the monitoring plan for labs, side effects, and outcomes?
If you can’t get clear, evidence-based answers, don’t inject it.
The Physician Perspective
As a double board-certified internist and obesity-medicine specialist, I fully support advancing medical science—but only when it’s guided by rigorous research, regulatory oversight, and patient safety.
The explosion of unverified products like BPC-157 is the opposite of progress—it’s exploitation of curiosity and hope.
My mission is to ensure patients receive accurate, science-based information before making health decisions influenced by social media or marketing.
The Takeaway
BPC-157: experimental, not approved, limited animal data only.
NAD⁺ and NMN: biologically interesting, clinically unproven.
Longevity begins with lifestyle, not unverified injections.
If you’re curious about metabolic optimization or safe, medically-supervised weight and wellness programs, consult a licensed, board-certified physician—never a self-proclaimed “biohacker.”
