Coffee in hand, quiet house, and a lot to be thankful for this morning. My health, my family, and all of you. This week reminded me that the good stuff takes time. Health, strength, trust, a community like this one. None of it shows up overnight. A few more of you joined us this week, and that never gets old. You also voted on what you wanted to learn. It ended in a three-way tie, so we covered all three. I love that this place gets shaped by what you actually want to know. I've noticed something else too. More of you read past the headline and ask what the research actually shows. That's the long game, and you're playing it. So be patient with yourself this week. Small steps add up, even when you can't see them yet. Slow and honest beats fast and flashy every time. Thank you for being here and for sticking with this. Have a great week.

After Thursday's sleep post, DSIP came up. Here's what it actually is. WHAT IT IS Delta sleep-inducing peptide. A small chain of 9 amino acids, first isolated in the 1970s from rabbits during sleep. HOW IT WORKS It got its name because early tests showed more delta (deep) sleep on brain recordings. Researchers think it acts as a signal in the brain that can touch sleep and stress pathways. The unusual part: nobody has clearly pinned down its receptor yet, which is one reason later studies did not all line up. WHAT THE RESEARCH LOOKS AT • Deep (delta) sleep in those early animal and small human studies • Stress and hormone signaling • Circadian rhythm and recovery from disrupted sleep Human sleep results have been mixed, and a clear receptor still isn't known. Evidence level: Early and mixed. GOOD TO KNOW • Not FDA approved for any use • Sleep habits have far stronger research behind them than this peptide STORAGE AND HANDLING BASICS • Powder: cold, dry, away from light • Once mixed: fridge, label the date, don't keep freezing and thawing • Cloudy or floating bits: toss it HOW TO READ THE COA • Name and lot number match your vial • Mass spec should show about 849 Da, DSIP's weight • HPLC purity shown, with a recent test date • Third-party lab you can verify on the lab's own site For research use only, not medical advice. Takeaway: despite the name, DSIP is still a research puzzle, not a proven sleep aid. Exact dosing and timing are in the Premium ⏱️ Dosage & Timing classroom: https://www.skool.com/peptideindex/about The full classroom, 20+ graded vendors and weekly $/mg live in Premium, $9/mo with 7 days free 👉 https://www.skool.com/peptideindex/about

The same peptide family behind the big human weight-loss drugs is now being tested in cats. Here's where that research actually stands. 🐱 DIABETIC CATS In a placebo-controlled trial, 30 newly diabetic cats got exenatide (a GLP-1 peptide) or saline on top of insulin and a low-carb diet. It looked safe and the cats didn't gain weight, but the remission difference wasn't statistically significant. Less appetite and vomiting were common (J Vet Intern Med 2016, PubMed 26700409). A two-year follow-up in 22 cats already in remission found no difference in how long remission lasted versus placebo (J Vet Intern Med 2025, PMC11921135). ⚖️ OVERWEIGHT CATS Early trials are testing GLP-1 for feline weight loss, including a six-month implant study called MEOW-1 run under an FDA investigational animal drug file. Nothing is approved yet, and there's no GLP-1 weight-loss drug for cats on the market. 🐄 FARM ANIMALS Researchers are also looking at antimicrobial peptides as a possible backup to antibiotics in pigs, poultry and dairy cows. Most of it is still lab and early field work (Frontiers in Veterinary Science 2022). Education only, not veterinary advice. Your vet is the right call for your animal. Takeaway: vet peptide research is real and moving, but "being studied" isn't the same as "approved." Premium goes deeper with full protocols, 20+ graded vendors and weekly $/mg. It's $9/mo and the first 7 days are free 👉 https://www.skool.com/peptideindex/about

Slower walks, trouble with stairs, a stiff first step in the morning. In older dogs, joint wear (osteoarthritis) is one of the most common reasons. 🦴 HOW COMMON IT IS A UK study of more than 455,000 dogs found osteoarthritis was most often diagnosed at 8 years or older, and dogs over 12 had the highest odds. Big breeds like Labs and Goldens showed up most (Anderson 2018, Scientific Reports, PubMed 29618832). ✅ WHAT'S ACTUALLY APPROVED In May 2023 the FDA approved bedinvetmab (Librela), a monthly injection given by a vet that blocks a pain signal called nerve growth factor. It's an antibody, not a research peptide (FDA Center for Veterinary Medicine). 🧪 WHAT'S STILL BEING STUDIED Food-grade collagen peptides are the most tested peptide idea for senior dog joints. A 2024 trial in dogs with arthritis found better gait on a force-plate treadmill after 12 weeks (PLOS One, PubMed 39298537). A 2026 diet trial found no difference versus a look-alike diet (The Veterinary Journal). So far the results are mixed. Injectable research peptides like BPC-157 have no published trials in aging dogs that we could find. Education only, not veterinary advice. Your vet is the right person for your dog's joints. Takeaway: for senior dog joints, the approved option is an antibody, and the peptide research is still early and mixed. Want the full picture? Premium has the protocols, 20+ graded vendors and weekly $/mg. It's $9/mo, and your first 7 days are free 👉 https://www.skool.com/peptideindex/about

Hey everyone, I've been building Peptide Index for almost a year, and you came here for one reason: verified vendors. Today we have 700+ lab COAs and counting, 20+ vetted vendors, and 9 graded A or better, backed by original lab reports. PREMIUM ($9/mo): Every week my team scrubs every COA and re-checks every vendor. You get all 20+ vetted vendors and a cost-per-mg breakdown, so you buy smarter and stop overpaying. Nobody else updates COAs and vendors every week like this. Want to see the work first? See today's new COAs: https://www.skool.com/peptideindex/new-coas-tue-oct-27 VIP ($19/mo): A lot of you asked about protocols and understanding your bloodwork. VIP adds customized peptide research protocols, Bloodwork analysis in plain English, nutrition and workout plans, and the Peptide Business Blueprint. See everything here: https://www.skool.com/peptideindex/about Questions? Just reply. Enjoy the community! 🧬💪 Johnny P.S. $9 is the founding price, and it's going up as we grow, so don't wait. Research and education only. Not medical advice.