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Peptide Researchers

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Castore: Built to Adapt

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26 contributions to Castore: Built to Adapt
ARA290
Has anyone here used ARA290?
2 likes • Nov '25
@Drew Wurst Thanks for the dosing info I tend to get results with lower doses but everybody’s receptors have different sensitivity. @Anthony Castore That being said, is ARA 290 a threshold or a saturation molecule?
3 likes • 12d
@Tom Modjeski My protocols vary specific to the athlete / individual I don’t believe “one size fits all” ARA 290 is one of my go to peptides or there’s a high degree of pain whether acute or chronic injury/condition. Starting dose of .05 to 1mg SQ daily, is effective for pain attenuation. I may increase dose to 1.5mg but it’s a threshold pepride so there’s a point of diminishing returns with bigger doses. For an acute condition, frequency 1x day for 7 and then reevaluation. For chronic, cycle 5 days on/3 days off. Timing can be a.m. or p.m. depending the individual. I haven’t found ARA 290 to disrupt sleep. I treat systemically. injecting at side of injury or pain is not necessary. If pain is still an issue with ARA 290, I will add TB 500 to the protocol rather than increasing dosage. These two peptides together are highly effective to further reduce pain as well as treat inflammation. When adding TB 500, I reduce the dose of ARA 290. These two peptides work just as well on Dogs and Horses as human humans
NMN vs TND1128
@Anthony Castore what are your thoughts of TND1128 being superior over NMN as a NAD+ precursor? The studies I’ve read indicate that TND1128 is a superior MAM+ precursor for activating SIRTUINS, help self regulate redox, with anti antioxidant and anti-inflammatory properties. That being said, all the studies were conducted on mice and we know that there’s not a direct correlation.
Most Fatigue Advice Fails Because It Confuses These Two Very Different Problems
Low energy is one of the most common complaints in medicine, coaching, and everyday life, yet it is one of the least precisely understood. People describe it as fatigue, burnout, brain fog, weakness, lack of motivation, or feeling “offline.” Athletes feel it when they cannot train. Patients feel it when they cannot work. High performers feel it when discipline no longer works. The problem is that “low energy” is not a diagnosis. It is a surface description of a system-level failure, and two people can experience nearly identical symptoms while the underlying biology is completely different. Treating them the same way helps one person and harms the other. To understand low energy correctly, you have to stop asking how to boost energy and start asking why energy is being limited in the first place. At the deepest level, there are two dominant failure modes. In one, the body cannot produce enough energy. In the other, the body is deliberately suppressing energy production. The first is mitochondrial damage, a capacity problem. The second is inflammatory inhibition, a regulatory decision. One is a broken engine. The other is a functioning engine with the brakes applied. Subjectively they feel similar. Biologically they are opposites. Everything that follows depends on recognizing which one you are dealing with. A simple model helps. Imagine the body as a car. The mitochondria are the engine. They take fuel and oxygen and convert them into usable energy in the form of ATP. Inflammation acts like the central control computer, deciding how much power the engine is allowed to produce. If the engine is damaged, pressing the accelerator does little. If the computer is limiting output, the engine could perform, but is being intentionally restrained. In both cases the car goes slow. Only one responds to pushing harder. Mitochondria exist inside nearly every cell and are responsible for producing ATP, the molecule that powers muscle contraction, nerve signaling, hormone synthesis, immune regulation, tissue repair, and cognition. Without adequate ATP, nothing in the body functions well. Energy production depends on intact mitochondrial membranes, functioning enzymes, proper redox balance, sufficient oxygen delivery, and a steady supply of micronutrients. When any part of this system is damaged, the maximum amount of energy the body can generate drops. This is not a motivational issue. It is a hard ceiling.
2 likes • Feb 8
@Anthony Castore Great insight. Thank you! For people fall somewhere in between, with both constraints present, which dysfunction would you prioritize and how would you proceed with treatment and rebuiding?
Jetlag
What protocol do you follow to minimize jet lag, avoid drops in HRV, and improve sleep after traveling to a different time zone? @Anthony Castore
1 like • Jan 22
@Anthony Castore great information as always, thank you Anthony! When I fly to Europe from the states, typically a redeye landing early morning, a small dose of melatonin helps me manage the jet lag. I run into difficulty resetting my circadian clock is there for an extended time. My schedule is physically intense and dinner is dictated by the European schedule which late night dining. Would you still recommend the use of ketones for adaption!
The Science of Sleep Peptides & Neuroinflammation(Semax, DSIP, Epitalon)
Sleep isn’t passive recovery it’s a cellular recalibration.And if you're not sleeping deeply, your mitochondria, immune system, and brain aren’t clearing debris, regulating inflammation, or consolidating memory efficiently. Enter: Sleep peptides—not sedatives, but neurobiological modulators that repair signaling patterns upstream of symptoms like fatigue, anxiety, poor REM, and sleep fragmentation. Let’s break down the 3 most compelling tools: 1. DSIP (Delta Sleep-Inducing Peptide) - Primary action: Normalizes sleep architecture and promotes deep non-REM sleep - Mechanism: Reduces corticotropin-releasing hormone (CRH), dampens HPA axis hyperactivity, improves hypothalamic GABA tone - Bonus: Acts on mitochondrial protection and glymphatic clearance - When to use: Difficulty staying asleep, nervous system overdrive, parasympathetic insufficiency 2. Semax - Primary action: Neuroprotective and cognitive-enhancing, especially under stress - Mechanism: Boosts BDNF, modulates dopamine/serotonin, reduces neuroinflammation via NRF2 and antioxidant pathways - Bonus: Promotes resilience under oxidative stress - When to use: Brain fog, mood swings, post-infection fatigue, circadian mismatch 3. Epitalon (Epithalamin analog) - Primary action: Normalizes circadian rhythm via pineal gland restoration - Mechanism: Increases melatonin, reduces oxidative damage, supports telomerase activity, improves pineal peptide signaling - Bonus: Supports SIRT1 and FOXO3a longevity genes - When to use: Chronically poor sleep timing, aging-related rhythm disruption, neuroinflammation Big Picture:These aren’t “knock-you-out” tools like sedatives.They restore signaling fidelity—allowing your body to re-enter deep sleep states and modulate inflammatory and redox pathways during sleep. Want to try them? Stacking depends on your redox state, inflammation load, and circadian integrity. Drop a comment and share your favorite sleep stack.
2 likes • Dec '25
The topic of maximizing the benefit of sleep is always fascinating. Thanks everyone for sharing your individual experiences. I’ve struggled recalibrating my circadian rhythms and quality sleep , especially international travel where poor sleep equals poor performance. I’ve experimented with various supplements including melatonin, magnesium GABA, sleep formulas, Ambian and some peptides. Selank, Epitalion and DSIP. I get the best results Selank but I also have had TBI’s and I doubt my neurochemistry is normal.. To @Anthony Castore point, I find, above all else morning sunlight exposure to be the most effective reset for quality sleep regardless of my location and even if the sun‘s not out and best without sunglasses
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Beverly Haffeman
3
13points to level up
@beverly-haffeman-8045
Regenerative therapies specializing in cold laser, PEMF, peptides and homeopathics for athletes including Equine and K9 .

Active 12d ago
Joined Aug 3, 2025
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