World

I am currently on Tirz, and I am interested in learning more about some of the other peptides that are available. I have a great deal of chronic pain in my back and hips, L3 nerve pain, arthritis, muscle pain, bursitis, IT band pain etc.
I would like to research the different peptides, but I feel like if you go on YT and a lot of sites, they're either trying to sell you on ALL of them or scare you away from ALL of them.
I'd feel better knowing I'm researching from what looks like a reputable site, some place that isn't afraid of saying, "This has good potential, but stay away from that option." I'd also love to see a site that actually shares some of the research that has been done to show the results and the limitations of those results.

Any recommendations?
Thanks!

A few weeks ago I had a discussion with my doctor, who has been running a clinic that specializes in stem cells, down in Tijuana. I noticed that they are also using Peptides to help their patients with any chronic pain, inflammation, and all around health. I asked if he could take a look at what I had been researching with. At the time I was researching with 4mg Reta, 300mg AOD-9604, 1mg GHK-Cu, 425/250mcg ipa/cjc no dac. I brought up that after being on Reta for 6 months that I ran into a stall and he suggested titrating down to a 2mg for 2 full months to help reset the receptors and then to slowly titrate back up. It’s helped his other patients out to continue loosing weight. I’m currently on week 4 of 2mg. Has anyone else tried this after a stall or similar ? What were results? Have you tried stacking anything else. I’m currently down to aprox 260 lbs and down from 335 lbs. I’m also thinking about introducing Cagri into the stack as I have a binge issue. I have been hydrating with min 220oz water daily, protein/fat/carb ~200g/~80g/~120g, ~ 7.5 sleep daily, 2 days resistance exercise, 3 days of 7.5k steps & 3 days active around house.

Has anyone ever ordered from AmericanPeptides.us?

I did a little online research and they seem legit. Just wondering if anyone has used them and is willing to share their experience.

These look pretty good and shipping less than $10

https://www.medicalproductssupplies.com/products/sterile-empty-vials-clear-10ml-1?variant=39790012268638&country=US&currency=USD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&gad_source=1&gad_campaignid=24133928868&gbraid=0AAAAACiZE_sLp3kk2AolTiKgJIy1DAN_r&gclid=CjwKCAjww-3VBhAcEiwAwUUIuwZClETfZoA4EHoeBTI3eUAayoSkfg7rie1X6p6VsjXvPXy9RqbZCBoC1mIQAvD_BwE

Before anyone gets upset, yes I use Hospira. I am just curious if anyone has found a compatible maker that they use and trust. I am not looking for the cheapest finds, just other options in the supply chain. I wouldn’t trust those sold on Amazon but brands like Lamda have been tested successfully.

Has anyone tried Reconstituting their research peptides with Hospira 0.9% Bacteriostatic Sodium Chloride (30 mL)

Theoretically speaking it might help to lessen the sting from Peptides like Mots-C

I heard RETA was a hard no

Anyone else have any experience or knowledge in this area ?

Watch on RandyTube: How to Get Started With Peptides: The Supplies You Actually Need (Video)

A beginner guide to the basic supplies a new peptide researcher actually needs: the simple setup for reconstitution, measuring, clean handling, storage, vials and cartridges, plus optional pen systems, and which popular "must-haves" are mostly unnecessary.

Comments posted here show up under the video on PeptideCritic.com, and vice versa. Questions about the technique, gear or the math are all welcome.

Discussion thread for the blog post on PeptideCritic.com.

Read the article: Accumark - The Lab Selling Transparency Forgot to Explain Who They Are

Share your thoughts, ask questions, or continue the conversation below!

Discussion thread for the blog post on PeptideCritic.com.

Read the article: Costides, Biolumin Labs, and the COAs That Don’t Add Up

Share your thoughts, ask questions, or continue the conversation below!

Fairly new to this world and my first 4 weeks I got my supplies from a friend that uses grey and group buys for a while now. now that I have been looking for my own supplies and after a lot of digging. 2 recommended sites came up and I just wanted to hear about anyone's experiences.

The Main Site and the community now both have Dark Mode, if you have dark mode enabled on our browser or computer it should automatically detected it or you can toggle it with the Sun and Moon buttons:

Right now we are using the Superhero Skin for Dark mode in the Community you can also change your skins in the main menu.

I’m in the Amazon review program called V I N E. (Had to put spaces because it’s against TOS to tell anyone publicly). I often see things when they are new and discounted to encourage sales. Anyway, I thought I’d make this topic to post my finds instead of putting them in the swag topic I usually do.
These insulated storage containers are $9.99. Usually they run $15-$20.
amazon.com/dp/B0H11KL7M3

I suppose a progress report/results post is long overdue. I don’t like sharing too much specific, but here we go.

Subject: 58 year old male, family history of hyperlipidemia and heart disease.

Start Date: 12 Aug 2025
Weight: 200 lbs
Height: 5’8”
Note: Subject lifts weights regularly, does jiu jitsu 3x a week, walks 45m/day. Has chronic shoulder injuries and knee pain. Various other issues. Trouble losing weight.

End Date: 28 Aug 2026
Weight: 166.8 lbs
Note: Shoulder pain mostly gone, no knee pain. Subject lifts weights 4-5x/week, has hit numerous lifetime PR’s, still does jiu jitsu, walks daily and sometimes runs.

Current Protocols: Tirzepatide, 6 mg weekly

Protocols during report time: Epitalon, Sermorelin, SS-31, MOTS-C, NAD+, CJC/Ipa, Tesa, Wolverine, Glow, Klow, and probably forgetting something.

Also, lots of supplements, and added Rosuvastatin and Repatha for high LDL and LP(a)

Measurements:

Progress pics: Before/After

BRENIPATIDE ONCE OF MONTH
For adiction, smoking, bipolar disorders....
One to keep an eye out for.

"Brenipatide (developmental code LY-3537031) is a next-generation, experimental once-a-month injectable peptide being developed by Eli Lilly and Company"

Does anyone know a vendor that ships inside the US?

I’ve been looking into research peptide DAC 5mg, particularly CJC-1295 with DAC, and wanted to get some opinions from others who have experience sourcing research peptides.

One thing I’m interested in is how researchers evaluate peptide quality before purchasing. Beyond the stated purity level, factors such as third-party testing, a Certificate of Analysis (COA), peptide identity, batch information, storage recommendations, and manufacturing consistency seem important when comparing suppliers.

I recently came across a CJC-1295 with DAC 5mg product from Pure Aminos that provides product and testing information for research purposes. For anyone currently comparing suppliers, what documentation or quality indicators do you consider most useful when evaluating a research peptide DAC 5mg?

I’d also be interested in hearing how others compare lyophilized peptide products and what information they check before adding a material to their research workflow.

Given the video I posted in this section about Mitochondria, I rearranged my pep starting schedule to start SS-31 tonight. As someone who had advanced Lyme Disease, it's known that my mitos are not in good shape and I'm not fond of previous 'suggestions', esp. from physicians.

Rat hit 500mcg in the hip about 1.5 hours ago and I'm trying to track what changes, if any, might occur. Taking NAD+ buf 20mg. (cut back from regular dose) just as support. No MOTS-C yet; not for some time. No Cartalax reload, which makes me nervous but will have to see how it goes.

If you're someone who's just started SS-31 FOR THE FIRST TIME, please let us know your experiences. Let's hope we see some great results.

This thread to be continued until whenever...

Hi @PeptideCritic team, Kobi from Popular Peptides (popularpeptides.ca) here.

Our vendor profile has a Community Alert from Sep 8 saying our COAs show the names of other companies. We've answered it publicly in our vendor thread: https://community.peptidecritic.com/topic/2983/discussion-popular-peptides-popularpeptides.ca/3

In short: we source wholesale from established distributors, and each of them has its own independent third-party testing done, so the COAs are issued in their names. We've also updated our vendor profile with an accurate location (Vancouver, BC, Canada) and a description.

Could you take a look and decide whether the alert should stay as is, be updated, or link to our response? We're happy to send any COA you'd like to review. You can reach us at [email protected].

Thanks!

One transfer needle per product, no cross contamination, no pushing unconditioned air into your vials, very little purging necessary once you load your pen. This is my method for loading pen cartridges. I think it's less wasteful and more sterile than the "second needle for venting/breather" method.

My process:

Disinfect all the vial tops, pen vial filling station block thingy and whatnot that are involved in my current project
Use 3 ml transfer syringe to draw 3 ml of sterile air from empty pen vial (now it's under vacuum)
Use 3 ml transfer syringe to push 3 ml of sterile air into bac water vial
*DO NOT REMOVE NEEDLE
Draw desired amount of bac water out and remove needle from vial
Fill lyophilized product vial with bac water slowly down side of vial
While product is resting and rehydrating, use same transfer syringe to draw another 1-2 ml of sterile air from pen vial (stop if the rubber bottom plug starts to get sucked up the vial)
Once product is dissolved and gently swished for mixing, push the sterile air from your transfer syringe into product vial
*DO NOT REMOVE NEEDLE
Draw reconstituted product into transfer syringe
*If there's still too much vacuum in vial to draw out all of the product, invert vial and syringe, then:
Allow the air pocket in the syringe to be drawn back into the pep vial
Draw remainder of product out
Push the product into the pen vial gently down the side (be sure to have it on a flat surface in case it overpressures and tries to push the rubber bottom plug out of the pen vial)
Pull needle out until it's at the very top of the interior of the pen vial
*Start to draw air pocket out of pen vial with syringe
Once you feel a lot of resistance as you are pulling the syringe plunger, transfer pen vial to the bottom plug pusher part of the filling station block tool thingy
*Push the rubber bottom plug up as you are drawing the last of the air pocket form the top of the pen vial
*Pull needle out of rubber stopper as soon as it looks like the air pocket is gone, but before product starts going up into transfer syringe
*You're almost done, now purge your pen vial of air
*Put your pen vial into your pen
*Disinfect the top of the pen vial
*Put a pen needle on it
Cycle your pen plunger until it is touching the bottom rubber plug of the vial
*With your pen tip pointed skyward, "inject" 3 units at a time into the air until it shoots a stream up
*Now you really are done, try your concoction.

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