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Peptide DiscussionResearch, experiences, questions, and general discussion about peptides.
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What’s your actual GHK-Cu schedule?I keep seeing completely different schedules for GHK-Cu—every other day, five days on and two off, or just adding 1mg whenever something else is being…
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Reta constipation is worse than the appetite helpFood noise is gone which I wanted. Now I’m stalled two days at a time even with magnesium and more water. What actually fixed it for you without turning…
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Split dosing Reta vs once a weekBeen doing the full 2mg on one day and I feel wrecked that night then fine by Wednesday. Thinking about 1mg twice a week. Did split dosing actually…
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GHK-Cu stained the pin site blue for two daysNot a bruise. Just a faint blue circle where I put it. Goes away. Happening more now that the vial is the darker batch. Harmless copper under the skin or…
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Labor Day peptide deals roundupThere are quite a few Labor Day sales running right now, so I pulled the main offers together in one place. A few of these can be stacked with our codes…
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How long are you leaving lyophilized vials at room temp after they show upPackage sat on the porch for a few hours in the heat. Powder looks fine, vacuum still there. You running that or only using cold-shipped stuff now?
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Reta made me flat, not sad, just uninterestedWork and gym are fine. Food noise is gone and a lot of other interest went with it. This is at 2mg. Did that wear off after the first month or is the “I…
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What’s one peptide you wouldn’t use again?What have you tried that you’d never bother with again? Could be side effects, no results, cost, whatever.
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How long are you keeping reconstituted vials?How long are you guys actually keeping a mixed vial in the fridge? I know what the conservative answer is, but I’m curious what people do in real life.
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One Aminos’ “99.5% lab test” is a factory brochure, not a peptide COAVendors post PDFs with green checkmarks and people treat them like gospel. This one isn’t. One Aminos uploaded a “United Laboratories” report for…
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Did the fatigue from retatrutide ever go away for you?The fatigue seems more noticeable than the appetite suppression right now. For people who experienced this with retatrutide, did it improve after a few…
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How much BAC water are you guys using?I keep seeing different answers depending on who you ask. Do you normally use the same amount for every vial, or change it based on the peptide and vial…
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Has anyone accidentally shaken a vial?I know the standard advice is to swirl rather than shake, but accidents happen. Has anyone actually noticed a difference after a vial was shaken, or is…
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Peptides for seasonal allergies?I moved to Norcal and the seasonal allergies really make life miserable. I've tried all the OTC meds with varying degrees of success. Are there any…
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Peptide nasal sprays — which absorb, which don’tFor you needle haters out there (I used to be one of them), not every peptide works in nasal form. Even if you see a vendor selling it, doesn't mean it…
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Hyaluronic Acid Base for GHK-Cu TopicalI finally got around to making a GHK-Cu facial serum. In all the YT videos I've seen they used The Ordinary HA serum as the base, so of course that is…
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August 2026 peptide vendor COA grades are live. Discuss!If you haven't seen our latest article published yet, it is definitely worth the 12-minute read:…
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New lab coming: Erie Coast AnalyticalTalked to these guys on X. They are not quite online yet, but coming soon. We'll be a mystery shopper for sure. Here is a little intro:…
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Adamax nasal - what’s your protocol looking like?Just started Adamax nasal and looking for real feedback. What dose and how often are you running it? How are you mixing the spray and what are you…
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MT-1 & MT-2?I love the results I’ve seen from MT-1, but being in office 5 days a week I’m not finding as much time to be out in the sun, and I’m tempted to try MT-2.…
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Mile High Compounds - Labor Day PromotionMile High Compounds · Labor Day Promotion Save 35% sitewide with PROTOCOL10 Mile High Compounds is boosting our PROTOCOL10 discount code to 35% off its…
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Tesamorelin questionI'm debating between getting CJC-1295 vs Tesa, but is there a reason to get the blend with Ipa. Looking around, it's like everyone carries CJC with Ipa,…
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Which peptide do you think deserves way more attention than it gets?Just wondering what everyone thinks as to the most underrated peptide(s). When you first come into this world, you hear all about Reta and BPC /…
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MOTS-c ProtocalI've read the protocol page for MOTS-c. It says 5-10mg/wk split into 3 days. But has anyone run 1-2mg daily trying to get to that weekly 10mg amount? I…
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BAC water source?Where is everyone getting their BAC water these days? I’ve been bundling it when buying from vendors, but I’m looking to buy a larger supply of Hospira…
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DSIP: injection or nasal?Ok I need more help. I just bought some DSIP and I'm trying to decide if I should try to make this into a nasal or stick to subq injections. I'm a total…
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KLOW protocol?I just got a bottle of KLOW from one of the approved vendors on this site. However, there is nothing for KLOW in the peptide library unless I'm just…
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Pregnancy Paranoia?I looooved the results I was getting on a tiny maintenance dose of Reta, but I stopped taking it when I started seeing tidbits about the slowed gastric…
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Psyllium husk for Reta/GLP constipation symptomsIf you’re on Retatrutide or any GLP and dealing with the usual gut slowdown, psyllium husk is one of the highest ROI things you can add. GLPs delay…
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New to peptidesI'm new to peptides, but very interested in starting my journey and this site looks like a great resource. I've gained a little bit of weight now that…
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GHK-Cu Topical StudyNew 8-week GHK-Cu trial (Aug 2026) — numbers, context, and what it actually tested Wang et al., Skin Research and Technology, Aug 2026:…
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ISR management beyond just rotating sitesRotating sites helps but it’s not always enough. What’s actually made the biggest difference for you with welts, redness, and those lingering bumps?…
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Blank Peptides - 30% Off Summer Sale30% off sitewide with code SUMMER30. Stack PROTOCOL for an extra 10% (about 40% off). Shop Blank Peptides → blankpeptides.com US-made, vialed and…
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Upgraded my fridge caseYou can find this on the supplies page, but I just wanted to plug it anyway because this is the perfect peptide case IMO. It can hold 15 vials and 2 BAC…
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Reta + keeping muscle - what’s helping?On 2mg Reta weekly and trying not to lose too much muscle. Training and protein are solid but wondering what else people are stacking that’s actually…
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DIY GHK-Cu + AHK-Cu serum for face/scalpPlaying around with a simple GHK-Cu and AHK-Cu serum. Using HA + B5 as the base right now. Anyone got a mix that’s actually done something noticeable for…
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Virtus Peptides switching to Vanguard LabsI talked to the owner of Virtus yesterday, and they are switching away from ILS and moving all peptide testing over to Vanguard Labs, effective last…
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Mixing Epitalon and DSIP in the same vial?Thinking about throwing Epitalon and DSIP in the same vial just for convenience. Anyone tried this? Any issues with stability or did it feel any…
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CJC/Ipa - once a day or split?Running CJC no DAC + Ipa in the morning right now. Thinking about splitting it morning and night to see if recovery or sleep gets better. Anyone actually…
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PepticoolHas anyone used this or have more info? https://www.pepticool.com/products/pepticool%E2%84%A2-peptide-insulin-cooler I'm going to be going on a road trip…
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How are you vetting new peptide vendors these days?Seeing a lot of new names lately. What’s your personal checklist before sending money to someone you’ve never ordered from? COAs, payment options, what…
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Nasal peptides - best bottles/sprayers for consistent dosingRunning a couple nasal peptides and the dosing has been all over the place depending on the sprayer. What bottles are you guys using that actually give…
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ILS Labs reputation in the gutterIf you haven't been paying attention, ILS has entered the dog house and it's just not good. I've summarized everything below. Key Problems Documented Dog…
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Antihistamine gelQuick share from my recent experiments: Been running MOTS-c (reconstituted with BAC) and was getting the usual injection-site welts, redness, and little…
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Mile High Compounds Back-to-School Sale: 25% Off + $300 GiveawayMile High Compounds · Back-to-School Promotion Save 25% sitewide with PROTOCOL10 Use code PROTOCOL10 for 25% off sitewide during the Back-to-School…
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Southern Aminos 45% off until August 30thSouthern Aminos · Ends August 30 Stack two offers. Save up to 60%. Southern Aminos is offering 45% off sitewide through August 30. Use code PROTOCOL for…
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