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13 contributions to Castore: Built to Adapt
SS-31dosing
I just got some and would like to know what a good starting dose is as a general mitochondrial dose.
2 likes • Nov '25
@Drew Wurst that’s a really good point. SS-31 feels AMAZING for me, not just in terms of energy but wellbeing, meanwhile my genpop parents noticed absolutely nothing from 5mg SS or 5mg MOTS
2 likes • Nov '25
@Drew Wurst patients repeatedly ask me “what should I be taking to grow muscle?”, they are rarely enthused by my answer of “your diet, training, and recovery more seriously”
5-amino-1mq oral vs. injectable
I've seen increasingly more references to injectable 5-amino-1mq. The dosages seem to be more along the lines of 150mcg-300mcg whereas many of the pill forms are 25mg-50mg. For @Anthony Castore I have 3 three questions: 1) Have you seen a way to equate dosages between oral form and subcutaneous injection to help determine what dosages correspond to each form? ie is 150mcg injectable similar to 25mcg oral? I know there are quite a few variables with oral bioavailability, but assuming taken fasted, and "normal" metabolism/uptake by the person how would the 2 forms equate? 2) is there any potential difference in mechanism of action or overall effect once dosages are equated? I assume time for effect is much faster for injection vs. oral, even when fasted 3) As an NNMT inhibitor, would you time 1-MNA with 5-amino-1mq or at an alternate time or day? Assume daily intake of 1-MNA already for sake of argument.
0 likes • Nov '25
@Kasem Hanson sourced bulk power to experiment in a cost effective manner. Toss and washing 5A1MQ is one hell of a wake up hahah
The Klotho Paradox: When the Quest for Youth Creates More Entropy
Every so often, a new compound captures attention in the performance and longevity world, quickly becoming the latest “miracle molecule.” The pattern is familiar: a surge of online excitement, a handful of posts that sound technical enough to impress, and bold claims that oversimplify complex biology. Recently, that spotlight has turned to Klotho. It’s being discussed as a potential key to longevity something you can “activate” or “boost” to turn back cellular time. But beneath the hype, much of the conversation misses the beauty of how this molecule truly works. Klotho isn’t something you add to your system like a supplement. It’s a signal of cellular harmony a reflection of how well your mitochondria, kidneys, and vascular system are communicating. Named after Clotho, the Greek Fate who spun the thread of life, this protein quietly weaves together several of the body’s most critical processes: phosphate balance, oxidative stress control, and mitochondrial resilience. It’s produced primarily in the kidneys and brain, circulating in vanishingly small amounts. Its job isn’t to dominate or override it’s to coordinate. The simplest way to think of Klotho is as a translator between energy metabolism and mineral metabolism. It acts as a co-receptor for fibroblast growth factor-23 (FGF-23), a hormone made in bone cells that regulates phosphate and vitamin D levels. When phosphate levels rise, FGF-23 signals the kidneys to excrete it but that message can only be heard if Klotho is present. If Klotho expression is low, phosphate builds up, calcium balance shifts, and oxidative stress increases. Over time, that combination can damage vessels, impair mitochondrial function, and accelerate the very aging processes people are hoping to slow. Here’s the crucial part: high Klotho isn’t the cause of longevity it’s a consequence of systems running smoothly. It’s the molecular equivalent of good music. When your mitochondria are producing clean energy, your redox balance is stable, and your circadian rhythm is intact, Klotho levels rise naturally. When those processes fall out of sync, Klotho expression drops. Artificially forcing it upward without restoring the underlying coherence is like amplifying a broken speaker. You get more volume, not better sound.
2 likes • Nov '25
Funny, it makes sense that TRT (sensibly dosed) raises klotho. Thanks Anthony
Daily MOTS-c?
Has anyone had any experience with daily, or pre training lower (1-2mg) doses of MOTS-c? If we’re looking at genomic (chronic) and non genomic (acute) actions, and MOTS-c has some pretty cool acute effects, wouldn’t we want to take advantage of that stimulation frequency?
1 like • Oct '25
I’ve mostly used it pre fasted cardio on training days (training later after a few meals), good energy boost, much higher stamina. I like SS-31 on rest days. I’ve combined the MOTS with 250mcg SLU and there’s good synergy there (letting the other “lab rats” trial the high mg dose SLU before trying myself) I do these things in spurts, I don’t like the idea of using MOTS 52 weeks a year Kasem’s post exercise dosing is an interesting idea. Perhaps even better nutrient partitioning with meals, though that’s kind of chicken and egg given MOTS pre training/cardio would enhance output and further drive nutrient uptake
Retatrutide Not Working?
I'm at a loss and need some guidance, so any help is much appreciated. I've been taking reta for weeks now along with healthy lifestyle improvements and I haven't had much success at all. I keep reading all these posts people have made saying how amazing it's been for them, so I'm not sure what's wrong with me. My appetite has pretty much stayed the same, my cravings haven't quieted down all that much, and with the exception of 1-2 pounds, I haven't seen any significant improvement in body recomp. Is it possible that peptides just don't work for some people? Is it possible to be so broken and so far gone that reta just doesn't do anything? Does anyone else feel the same way or am I the only one? It sucks to put time, effort, energy, and money into efforts to improve health, and you feel like you're just spinning your wheels. I apologize for the "pity party" rant but I'm at my wits end and just don't know what to do.
1 like • Oct '25
^agree with all the above, including Kasem makes really good points. First got my hands on Reta late in 2022, having experimented with Sema & Tirze earlier that year. For many Reta isn’t the greatest for appetite suppression, assuming quality sourcing, the metabolic effects are working regardless. Cagri is a powerful adjuvant, some people will add in a very low dose of Sema for enhanced appetite suppression. For those who acquire tolerance to Reta, rotating to Tirze than back to Reta can work I’d be curious if you were already restricting calories prior to Reta and if so, how long See a lot of people with GLP-enabled over dieting end up hypothyroid
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Brandon Brassard
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36 points to level up
@brandon-brassard-3064
I run an online HRT clinic

Active 3d ago
Joined Aug 29, 2025
Nashville, TN
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