⏱️ TIRZEPATIDE: HOW DOSING AND TIMING WORK IN THE TRIALS Tirzepatide is the compound in Mounjaro and Zepbound. Like semaglutide, it has large human trials behind its schedule. Here's how that schedule works and why it's set up that way. WHAT IT IS Tirzepatide works on two gut-hormone signals: GLP-1 and GIP. That's why it's called a "dual agonist." It's FDA-approved as Mounjaro for type 2 diabetes and as Zepbound for weight management and for obstructive sleep apnea in adults with obesity. WHAT PEOPLE USE IT FOR • Weight loss • Blood sugar control in type 2 diabetes • Sleep apnea linked to obesity WHY ONCE A WEEK Tirzepatide has a half-life of about 5 days, meaning it takes about 5 days for half of it to clear. That long action is why it's given as a once-weekly injection. WHY IT STEPS UP SLOWLY In the trials, everyone started at the same low amount and moved up in steps about every 4 weeks. The main reason was to reduce stomach side effects like nausea, diarrhea, and vomiting. Not everyone moves to the highest step. The labels give a range of maintenance levels, and the prescriber picks one based on response and tolerance. WHAT THE RESEARCH ACTUALLY SHOWS • In a large trial of adults with obesity (SURMOUNT-1), people on the highest dose lost about 21% of their body weight on average over 72 weeks, compared with about 3% on placebo. • In a head-to-head trial, tirzepatide led to more average weight loss than semaglutide (about 20% vs about 14%). • Evidence level: Strong. These are large human trials. COMMON QUESTIONS Does the day of the week matter? Trials used the same day each week to keep levels steady. The labels explain how to handle a missed dose or a change of day. Does it interact with birth control pills? The label notes that tirzepatide can make oral birth control less reliable for a while after starting and after each step up, so this is worth raising with a prescriber. What about "research" tirzepatide? Research-vial versions aren't the approved product. The purity, amount, and dosing accuracy of those vials were never tested in the trials.

hCG comes up constantly in TRT conversations, usually around fertility and "keeping things working." Here's what it is in plain English. WHAT IT IS hCG stands for human chorionic gonadotropin. It's best known as the pregnancy hormone that pregnancy tests look for. In men, hCG matters because it looks a lot like LH, the signal that tells the testes to make testosterone. hCG can do that same job. It's a prescription drug. WHAT PEOPLE USE IT FOR • Keeping sperm production going while on TRT • Preventing or reducing testicle shrinkage on TRT • Raising the body's own testosterone in certain men with low LH • Restarting natural production after testosterone or steroid use WHY IT PAIRS WITH TRT When you take testosterone from outside, the brain lowers LH and FSH. Without that LH signal, the testes make less testosterone of their own, and sperm production can drop sharply. hCG stands in for LH and keeps the testes active. WHAT THE RESEARCH ACTUALLY SHOWS • hCG is FDA-approved for certain men whose low testosterone comes from low LH signaling. It's also widely used in fertility treatment. • Small studies show that adding hCG to TRT can keep testosterone levels inside the testes up, and can help keep sperm counts steadier than TRT alone. • Evidence level: Moderate for its approved uses. Early to Moderate for use alongside TRT, which is based mostly on smaller studies and is off-label. COMMON QUESTIONS Is hCG the same as testosterone? No. hCG tells your testes to make testosterone. It doesn't replace testosterone directly. Can it raise estrogen? Yes. Stimulated testes can make more estradiol too, which is one reason clinicians monitor labs. What about the "hCG diet"? It isn't supported by evidence. The FDA has warned against over-the-counter hCG weight-loss products. Why is it harder to get than before? In 2020, U.S. rules reclassified hCG as a biologic, which changed how it can be compounded and supplied. EASY WAY TO REMEMBER IT hCG = an LH look-alike that keeps the testes working, often used alongside TRT.

COMMON QUESTIONS What does that look like in real food? For a 150 lb (68 kg) woman, 0.8 g/kg is about 55 g a day. 1.6 g/kg is about 110 g a day. For reference, 3 oz of chicken has about 25 g, a cup of plain Greek yogurt about 20 g, and an egg about 6 g. Your clinician or a registered dietitian can help you find your own number. Is high protein bad for healthy kidneys? In healthy people, research has not shown harm at these intakes. People with kidney disease are different and need medical guidance. Does timing matter? Spreading protein across meals seems to work better than one big serving at dinner. ISSN suggests even portions every 3 to 4 hours. Do I need protein powder? No. Food works. Powder is just a convenient option. Will protein make me bulky? No. Muscle grows slowly, and building a lot of it takes years of hard training. For most women, more protein means firmer muscle and better strength. EASY WAY TO REMEMBER IT The RDA = the minimum. Active women and women over 40 = usually more, spread across the day. BOTTOM LINE 0.8 g/kg is a floor, not a goal. For active women, and especially in perimenopause and menopause, guidelines point higher. Pair it with strength training, and talk with your clinician about the right target for you. This is education only, not medical advice. We'll keep breaking down women's health one topic at a time in plain English.

ERP posted an updated USA warehouse inventory list today. Prices below are copied exactly as posted by the vendor. Peptide Index does not sell anything. To order, contact Linda via WhatsApp on ERP's Vetted Vendor profile, and check the testing library before buying. 🎀 Warehouse A （Portland） RT5 -$69 RT10 - $ 89 RT20 - $149 RT30 - $179 RT40 - $239 RT60 -$299 MS10 -$69 MS20 - $119 MS40 -$179 GHK-CU50 --$49 GHK-CU-100 --$69 Cagrilintide5 - $99 Cagrilintide10 - $144 Sermorelin 5 - $79 Sermorelin 10 - $144 Tirzepatide10 - $69 Tirzepatide15 - $74 Tirzepatide20 - $84 Tirzepatide30 - $109 Tirzepatide60 - $209 Ipamorelin-5 --$59 Ipamorelin-10 --$84 Glow70 - $189 klow80 - $194 BB10 - $109 BB20 - $189 BBG70 - $189 ET10 - $159 G25 - $49 KPV5 - $54 KP10 - $79 5AM - $49 10AM - $64 SK10 - $74 XA10 - $74 LC216 - $99 VP5 - $94 VP10 - $154 DS10 - $79 CP10 - $99 CP20 - $189 TB5 - $84 VE10 - $114 PT141 - $79 5AD - $109 Cor20 - $114 ADA5 - $64 ADA10 - $108 TY10 - $79 DS5 - $57 DS10 - $79 AU50 - $59 BC10 - $69 BT10 - $139 MT1 - $59 MT2 - $59 2S10 -$89 ET10 -$59 ET50 -$159 Tesamorelin5 -$99 Tesamorelin10 -$169 Tesamorelin20 - $309 IGF0.1 -$59 IGF1 -$229 lipocwithout B12 - $79 GHRP-2 Acetate 10 - $64 CJC-1295 without DAC 5 - $79 Snap-8 10mg - $59 Pinealon 10mg -$89 Gonadorelin Acetate 5mg - $104 EL5 (Eloralintide) - $184 EL10 (Eloralintide) - $339 VE20 (Vesugen) - $168 NJ500 - $74 NJ1000 - $ 129 BAC water 3ml -$18 50 AM- $89 Kiss10 - $88 🎀 Warehouse B （Delaware） CJC-1295 without DAC 5 --$79 CJC-1295 without DAC 10 --$144 CJC-1295 without DAC 5mg + Ipamorelin 5mg --$114 CJC-1295 without DAC 10mg + Ipamorelin 10mg --$189 Retatrutide 5 - $69 Retatrutide-10 --$89 Retatrutide-20--$149 Retatrutide-30 --$179 Retatrutide-40 --$234 Retatrutide-60 --$299 Semaglutide-5 --$44 Semaglutide 10mg --$64 Semaglutide 15mg --$74 Selank-5 --$49 Selank-10mg --$74 Selank-10mg --$74 Cagrilintide5 --$99 Cagrilintide10 --$144 GHK-CU50 --$49 GHK-CU-100 --$69 MOTS-C -10 --$69 MOTS-C -40 --$179 Ipamorelin-5 --$59

🧬 PINEALON: WHAT IS IT? Pinealon often gets mixed up with Epitalon because both names point to the pineal gland. They're different compounds. Here's the simple version. WHAT IT IS Pinealon is a very short, lab-made peptide, just 3 amino acids long. It comes from the same Russian research group behind many other bioregulators. Despite the "pineal" in its name, most of its research focuses on the brain and nervous system in general. WHAT PEOPLE USE IT FOR • Brain health and memory as they age • Sleep • Protecting brain cells from stress WHAT THE RESEARCH ACTUALLY SHOWS • Cells: studies suggest it may help brain cells handle oxidative stress (a type of cell damage). Researchers propose that it's small enough to get inside cells and affect which genes are switched on. • Animals: some rodent studies reported protective effects on brain cells under stress, such as low oxygen. • Humans: very limited. There are only a few small reports, mostly from the same research group. Evidence level: Very Early. Mostly cell and animal research. COMMON QUESTIONS Is Pinealon the same as Epitalon? No. Epitalon has 4 amino acids and is tied to pineal and longevity research. Pinealon has 3 amino acids and is studied more for general brain protection. Does it help with sleep? That's a common online claim, but good human studies on sleep are missing. Why is it sold as a capsule? Many bioregulators are sold as oral capsules. How well such a short peptide survives digestion and reaches the brain in people hasn't been clearly shown. Is it safe? It hasn't been studied enough in people to say much about long-term safety. EASY WAY TO REMEMBER IT Pinealon = a 3-amino-acid bioregulator studied mostly in cells and animals for brain protection. BOTTOM LINE Pinealon is an early-stage research compound. The brain and sleep claims around it are well ahead of the human evidence. We'll keep breaking these down one name at a time in plain English.