The Biggest Peptide Mistake Isn’t Choosing the Wrong One, It’s Not Knowing What’s in It | SANJIV LAL | Ep. 97
Updated: 8 hours ago

Peptide Purity: What You Should Know Before Trusting the Label
Peptides are getting a lot of attention, but there’s a more basic question worth asking first: do you actually know what’s in the product?
That question sits at the center of this episode of The Superhuman Blueprint Podcast. Drew Griesel speaks with Sanjiv Lal, founder of Regen Therapy, about peptide quality, regulation, sourcing, cellular health, and where these tools may fit into longevity medicine.
Sanjiv points to a growing problem in the space. Products can come from very different sources, and he explains that what is inside the vial may not always match what the label says.
Why Peptide Purity Starts Before the Product Reaches You
Peptide Purity is about more than reading the label.
Sanjiv explains that Peptide Sourcing and Peptide Testing are part of the same conversation. He recommends knowing where the material comes from and looking for testing tied to a specific batch and lot. In his own company, he says products are also tested by an independent laboratory.
That extra layer matters because independent testing can give you a clearer picture of what you are actually getting.
The episode also gets into the confusion around FDA Approved Peptides and Compounded Peptides. Sanjiv explains that peptides can sit within different regulatory categories, while certain products may be prescribed and compounded through physician-led pathways.
Quality Is Only Part of the Longevity Conversation
The discussion eventually moves beyond the vial.
Sanjiv connects peptides with Cellular Health, recovery, inflammation, and the changes that happen as we age. He describes aging through the lens of disrupted cellular signaling and explains how declining recovery can build gradually over time.
That matters if your goal is better Healthspan, not simply more years. Sanjiv’s view is that longevity should include staying functional, active, and able to enjoy those years.
For leaders and high performers, the practical takeaway is simple. Apply the same due diligence to your health that you would to an important business decision. Ask where a product came from, how it was tested, and whether the evidence applies to the exact product in front of you.
Peptide Purity may not be the most exciting part of the peptide conversation, but it is one of the first things worth understanding.
Listen to the full episode of The Superhuman Blueprint Podcast for Drew and Sanjiv’s deeper conversation on peptide quality, regulation, recovery, and longevity.
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