Peptides You've Never Heard Of (And Where To Get Them), Boosting Testosterone Without Drugs & More

6 Jul 2024 · 60 min
59:45

Interview (YouTube) between Ben Greenfield and Kyle Vanderleest (Level Up Health) about orally bioavailable peptides, formulations, and newer supplement ingredients. Kyle describes his background (naturopath, formulator), the Australian regulatory history (compounding chemist bans after a peptide scandal; recent September ban), and differences between injectable (100% bioavailability) and oral small-chain peptides (typically <10 amino acids, ~15–20% raw bioavailability when unbuffered). He explains buffering/delivery strategies (bicarbonate, delayed-release capsules, liposomes) and pairing guidance (don’t take digestive enzymes with peptides). Specific agents discussed include BPC-157 (stomach-resistant; 15 AA), KPV (3 AA, anti-inflammatory/antimicrobial), GHK-Cu (anti-aging, stem cell activation), TB4 fragments (AC-SDKP and ACLK… terminal fragments used orally), lorazotide (zonulin antagonist for tight junctions), 5-Amino-1-MQ (boosts NAD via NNMT/NNMT inhibition), GAA (guanidinoacetic acid; creatine precursor with better uptake; may raise homocysteine; combined with methyl donors), NACET (NAC ethyl ester; ~60% bioavailability vs NAC 2–4%), epicatechin (myostatin inhibitor), icariin (PDE5 inhibitor), tudca (bile flow/choleretic), 7,8-DHF and Dihexa/P21 (BDNF-promoting nootropic strategies). Kyle mentions a peptide cheat sheet (~30–32 peptides) and product lines (GI repair formula with BPC-157, lorazotide, KPV; Botanobolic for testosterone; GAA creatine product; upcoming Neuroregenerate). Safety/regulatory concerns (contamination risks like LPS, heavy metals; need for GMP/testing) and calls for clinical research were emphasized.

Questions this video answers

About 30–32 peptides ("over 30, 32 I think different peptides").

Typically under ~10 amino acids (small-chain peptides); BPC-157 is an exception at ~15 amino acids.

Around 15–20% depending on peptide; injectables are effectively 100%.

KPV is a 3–amino-acid peptide.

GAA increased creatine levels by about 16.5–17% vs ~2% for creatine monohydrate in the same period (per Kyle's description).

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