Activity
Mon
Wed
Fri
Sun
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
What is this?
Less
More

Memberships

Research Radar

11.8k members • $10/month

OPTIMIZE & THRIVE

5k members • Free

Peptides4Power 🫑

1.8k members • Free

Project Biohacked

12.1k members • Free

Castore: Built to Adapt

891 members • Free

The Peptide Daily Brief

621 members • Free

PP
Popular Peptides

803 members • Free

Bio Health Peptides Proteins

1.8k members • Free

7 contributions to Castore: Built to Adapt
Beef Up or Burn Out? The Wild Science of Myostatin and Mega-Muscles Part 2
If myostatin is the brake pedal on muscle growth, the obvious question is: what if we just cut the brake line? That’s exactly what scientists have been trying to do for the past two decades. Pharmaceutical companies and research labs have been designing antibodies, receptor traps, and small molecules to block myostatin’s signal and see if the result is stronger, healthier muscle. The basic idea is simple. Myostatin works by binding to its receptor, called ActRIIB, which then activates SMAD proteins to suppress muscle growth. If you block myostatin before it hits the receptor or if you block the receptor itself you interrupt the chain. Without the brake signal, the muscle-building machinery can keep turning. Some of the most promising tools are monoclonal antibodies, designed to float in the bloodstream and soak up myostatin before it can bind to its receptor. Others use soluble “decoy” receptors that act like sponges, tricking myostatin into binding the wrong target. A third approach is blocking the activin receptor itself, which cuts off not just myostatin but also some related growth factors. There are already a few names worth knowing. Taldefgrobep alfa has been tested in spinal muscular atrophy, a condition where muscle wasting is a major problem. Trials showed increases in lean body mass and some improvements in physical function. Another investigational drug, RO7204239, is being explored for obesity and cachexia, with early signs that it can build muscle while reducing fat. Pfizer has tested its own anti-myostatin therapy in cancer patients with muscle loss, and Phase II data suggested benefits for lean mass. The promise is clear: if these drugs work, they could be game-changers for people with Duchenne muscular dystrophy, spinal muscular atrophy, or even age-related sarcopenia. They could also have applications in obesity treatment by promoting muscle growth while reducing fat accumulation. In theory, this could make exercise, rehab, and even weight loss far more effective.
1 like • Aug '25
@Anthony Hicks me too
🔥SLUPP332: The Fronteir of Mitochondrial Medicine 10AM EST🔥
Here’s a StoryBrand-style rewrite of your promo (clear problem → guide → plan → success → call to action): Most people who hear about new compounds like SLU-PP332 get stuck in two places: 1. The science feels too complicated. 2. The real-world application is missing. That’s frustrating, because you want to know if this tool can actually help you perform better, recover faster, and think clearer. Tomorrow morning at 10 a.m. Eastern, I’ll guide you through exactly what you need to know about SLU-PP332. You’ll get:• The backstory of where it came from and why it matters.• A simple explanation of how it works inside your cells.• Real-world dosing strategies you can actually use.• Objective and subjective ways to track if it’s working.• The key things you need in place to make it most effective. This isn’t about hype. It’s about clarity. When you understand both the science and the strategy, you stop guessing and start building momentum with confidence. Join us live tomorrow at 10 a.m. Eastern. The link is in the community calendar. Be part of the group that learns to use this breakthrough the right way while everyone else is still confused by the noise.
2 likes • Aug '25
Good class today on SLU. Can I get the slides too
0 likes • Aug '25
@Anthony Castore [email protected]
Why SLUPP332 Works Best in the Afternoon
My Commitment to You....I want to be transparent: I am learning, testing, and refining every single day. When I find a more effective timing, combination, or mechanism, I’ll share it—even if it means saying, “I was wrong last time.” Integrity > ego. That’s how I hold myself accountable, and it’s the same standard I hold others to. You’re in the right place if you want the most cutting-edge, scientifically accurate information—not hype, not shortcuts. Just the real cellular logic of how we can extend performance, resilience, and healthspan. Parasympathetic Pathway & ERR Biology SLUPP332 doesn’t simply “boost mitochondria.” It works by aligning with the parasympathetic nervous system the body’s rest-and-repair branch. The PNS signals safety, recovery, and digestion. SLUPP332 amplifies that signal, upgrading mitochondrial efficiency so that ATP is produced with less oxidative stress and tighter redox balance. Think of it like a city: as evening falls, the streetlights (parasympathetic tone) turn on. SLUPP332 upgrades the power grid so those lights glow brighter and steadier, without brownouts or wasted energy. In circadian biology, ZT = “Zeitgeber Time,” with ZT0 = lights on and ZT12 = lights off. For humans, ZT10–ZT12 corresponds to the late afternoon—roughly 3–6 pm. This window is critical because: -ERRα and ERRγ expression naturally peak—exactly the receptors SLUPP332 activates. -The body transitions from sympathetic “output mode” into parasympathetic “repair mode.” -Glucose handling declines, while fat oxidation and mitochondrial reliance increase. Administering SLUPP332 here is like handing the night shift a set of new, perfectly tuned tools right as they clock in. The repair crew gets more done, with fewer errors, while the rest of the body rests. To fully unlock SLUPP332’s benefits, it needs co-signals that steer substrate choice and redox balance: -C8–C10 MCT oil (PPARα activators): primes fatty acid oxidation pathways, giving mitochondria the “clean fuel” they prefer under ERR activation.
1 like • Aug '25
Interesting. I think I may look into getting this switched over from am to pm timing. Would you do a bigger dose early pm or later? And how late would be suggested, early evening and before bed?
The Coach’s Protocol — Pulling Back the Curtain
The members have spoke and I listened....Most coaches talk about principles. Some share theory. Very few show you exactly what they do themselves. about to change that. I’m opening up my personal playbook, the protocol I run on myself, to show you how I structure my training, nutrition, supplementation, peptides, and recovery strategies to stay at the top of my game. This isn’t a “one-size-fits-all” plan. It’s the real system I use, built from: - Lab data and cellular feedback loops - Peptide science and mitochondrial optimization - Periodized training matched to performance goals - Nutrition timing dialed to physiology, not fads You’ll see the exact tools, dosages, timing, and reasoning I use and how I adjust based on metrics, recovery, and results. If you’ve ever wondered how a coach integrates the science into a living, breathing system… this is your chance to see it in action. Drop a 🔥 below if you want to see the full breakdown of The Coach’s Protocol.I will likely do this as a webinar. Let me know your thoughts who would be interested in seeing this to kick off our monthly case study feature.
2 likes • Aug '25
🔥🐦‍🔥💪
Inside SLU-PP-332: A Cellular Medicine Masterclass
Join us me for a free, 60-minute masterclass on SLU-PP-332 your blueprint for leveraging this ERRα agonist to supercharge mitochondrial biogenesis, enhance ATP production, and drive real-world performance gains. I’ll break down the phenolic scaffold that makes SLU-PP-332 unique, map its signaling cascade through PGC-1α and AMPK, and translate mechanism into practical dosing and timing protocols. You’ll walk away with evidence-based guidelines, athlete and clinical case examples, and a live Q&A to field your toughest questions. This is just a taste of the exclusive webinars members will have access to when our membership site launches. For now, it’s free for everyone tell your friends and spread the word!
Poll
49 members have voted
2 likes • Aug '25
I wish I could make any of these times work
1-7 of 7
Will W
2
10points to level up
@william-woodcock-5984
I like to dabble

Active 13m ago
Joined Aug 10, 2025
Powered by