Curated peptide research dispatches, clinical trial coverage, regulatory updates, and evidence-based summaries from the broader peptide science literature. The Dispatch tracks GLP-1 receptor agonists, BPC-157, growth hormone secretagogues, and other emerging compounds.
Most people get a comprehensive metabolic panel once a year. Most of those panels include something called GGT, or gamma-glutamyl transferase. Most patients have never heard of it. Most doctors glance at it, see a number…
Read full dispatch →You ran an annual physical. Your CBC and CMP came back. Buried in the metabolic panel, in a row most patients never read and most physicians never circle, sits a number called **uric acid**. Yours is 6.8 mg/dL. The lab …
Read full dispatch →## The marker your annual physical almost never orders Walk into a routine physical in the United States and ask for a "complete iron panel." Most primary care providers won't order one unless you're female, pregnant, o…
Read full dispatch →Your last physical reported 25-hydroxyvitamin D at 32 ng/mL. The lab range said 30-100. The note from your physician said "sufficient." That note is the problem. Because while your D level cleared the bar designed in 2…
Read full dispatch →## The marker hiding in plain sight If you are over 40 and you have ever asked your physician for a "complete" blood panel, take a second to find your most recent lab report. Look for one word: **homocysteine**. Most r…
Read full dispatch →# Your Thyroid Panel Is One Number — And That's Why You Still Feel Like Garbage ## The TSH-only screening trap You went to your doctor because you're tired all the time. You've gained 12 pounds you can't explain. Your …
Read full dispatch →# Hot Take: The FDA Just Quietly Moved 12 Peptides — And It's Not What Most Clinics Are Telling You ## What happened Effective **April 22, 2026**, the FDA removed **12 peptides** from the 503A Category 2 bulks list — t…
Read full dispatch →# Your Cells Are Running Out of Fuel — And No Standard Blood Panel Is Checking ## The NAD+ collapse nobody told you about You hit 45 and the wheels start coming off. Afternoon fatigue you can't caffeine your way out o…
Read full dispatch →Your last lipid panel probably showed four numbers: total cholesterol, LDL, HDL, and triglycerides. Your doctor glanced at them, said "looks fine," and moved on. Meanwhile, the American College of Cardiology and America…
Read full dispatch →## You're Hemorrhaging Growth Hormone Every Night — And Your Sleep Tracker Can't See It Most executives I talk to are optimizing the wrong thing. They've got the Oura ring. The Eight Sleep. The magnesium glycinate on t…
Read full dispatch →## The Stress Hormone That's Quietly Destroying Your Body Composition You sleep 5 hours, pound espresso by 7 AM, white-knuckle through back-to-back meetings until 6 PM, skip lunch, eat garbage at 9 PM, and wonder why yo…
Read full dispatch →## Your Testosterone Is "Normal" — And That's the Problem You got your annual physical. Your doctor checked testosterone. It came back at 380 ng/dL. He said, "You're in normal range." You left the office thinking everyt…
Read full dispatch →GLP-1 receptor agonists (semaglutide, tirzepatide) have evolved over the past three years from glucose-and-weight interventions into broad metabolic-and-inflammatory modulators with effects across four emerging domains: …
Read full dispatch →Epithalon (Ala-Glu-Asp-Gly) is a tetrapeptide developed at the St. Petersburg Institute of Bioregulation and Gerontology and has been the subject of a thirty-year research programme spanning in-vitro telomerase induction…
Read full dispatch →Semax (Met-Glu-His-Phe-Pro-Gly-Pro) is a synthetic ACTH 4-10 analog developed in 1980s Russia and is one of the few peptide nootropics with formal regulatory approval anywhere in the world (Russia, for ischaemic-stroke r…
Read full dispatch →Across two decades of preclinical work, Thymosin Beta-4 (TB-500) has shown reproducible signal in rodent and porcine cardiac-infarction models: 18-30% smaller scar size, 6-12 percentage-point improvement in left-ventricu…
Read full dispatch →Ipamorelin and GHRP-6 both bind the GHS-R1a (ghrelin) receptor and trigger pulsatile GH release, but their pharmacological selectivity diverges in ways that matter for research design. Across 28 published clinical and pr…
Read full dispatch →BPC-157 is the most-studied peptide in the regenerative-medicine preclinical literature, with over fifty rodent and in-vitro studies converging on three main mechanisms: nitric-oxide system modulation, upregulation of gr…
Read full dispatch →All information is presented for Research Use Only (RUO). Not medical advice.