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6 contributions to Castore: Built to Adapt
Lab work
Who do you guys use for labs? Looking for best bang for your buck options.
1 like • 11d
Private MD Labs; see their app.
2 likes • 9d
I looked and I agree with Karthik. GoodLabs (goodlabs.com) offers more affordable bodybuilding-focused panels, often significantly cheaper than Private MD Labs (privatemdlabs.com), with strong value through low per-test pricing, bundling, and occasional free options via blood donation partnerships.06 Pricing Comparison (Bodybuilding Panels) • GoodLabs Full Bodybuilding Panel (or similar Bodybuilder/Comprehensive Bodybuilder options): $215–$228 (via Quest; ~60 biomarkers). This can drop substantially lower with coupons, a la carte builds, or free blood donation tie-ins in supported areas.648 • Private MD Labs Pro Bodybuilder Hormone Checkup (or similar athletic/bodybuilder hormone panels): $328 (often with promo options like “$1 today, pay balance later” or coupons; includes doctor’s order and notes).1049 GoodLabs wins clearly on price for comparable or broader panels—often 30-40%+ less expensive. Users frequently report GoodLabs as “half the price” of traditional or other DTC options, with very low individual test costs (e.g., CBC ~$4, lipids ~$5–$8, plus a small draw fee).17 Private MD Labs pricing is more premium and includes extras like physician review/notes in the base fee.49 What’s Typically Included (Bodybuilding Focus) Both target hormone optimization, recovery, liver/kidney health, lipids, CBC, and related markers relevant to TRT, peptides, SARMs, or intense training (e.g., your protocols with Test, E2 control, edema, inflammation, kidney support, etc.). • GoodLabs Bodybuilding Panel (~60 biomarkers): Emphasizes comprehensive coverage like CBC (immune/blood), metabolic/kidney/liver panels, hormones (Testosterone free/total/MS, etc.), inflammation (hs-CRP, homocysteine), iron/ferritin, lipids (including advanced like ApoB in some bundles), Vitamin D, and more. Fasting often required. You can mix/match a la carte very cheaply (e.g., add Homocysteine for $13).64884 • Private MD Labs Pro Bodybuilder Hormone Checkup: Strong on hormones (Test, E2, DHEA), IGF-1, CBC, liver/metabolic function, and recovery/growth markers. Designed specifically for bodybuilders monitoring gains, imbalances, and safety (e.g., lipids, liver). Results come with doctor’s notes/guidance.1049
The missing signal behind poor recovery, bad sleep, and gut issues
Butyrate is a short chain fatty acid made in the gut when bacteria ferment fiber that you cannot digest on your own. That simple process creates a molecule that acts as both a fuel and a signal across multiple systems in the body. Instead of thinking of fiber as something that just helps digestion, it is more accurate to think of it as a raw material that your microbiome converts into regulatory signals that influence metabolism, inflammation, and even sleep. When you eat fiber from foods like vegetables, fruits, and resistant starches, it travels through the small intestine largely unchanged. Once it reaches the colon, bacteria break it down through fermentation. This produces acetate, propionate, and butyrate. Of these, butyrate plays a particularly important role because it is the preferred fuel for the cells that line the colon. These cells, called colonocytes, form the barrier between your internal environment and the outside world. When colonocytes are fueled by butyrate, they function efficiently and maintain a strong barrier. When butyrate is low, these cells shift toward less efficient energy production and the barrier becomes more permeable. That allows substances like endotoxin to leak into circulation and drive inflammation throughout the body. So at the most basic level, butyrate helps determine whether the gut acts as a strong wall or a leaky filter. Inside the cell, butyrate is converted into acetyl CoA and enters the mitochondrial energy system. It feeds into the TCA cycle, which produces the reducing equivalents needed to drive the electron transport chain and generate ATP. This is not just about making energy. The type of fuel you use affects how electrons flow through the system. Butyrate tends to support a more balanced redox state compared to a heavy reliance on glucose metabolism under stress. That balance helps maintain efficient mitochondrial function and reduces the likelihood of excessive reactive oxygen species disrupting signaling. Butyrate also acts at the level of gene expression. It inhibits enzymes called histone deacetylases. These enzymes normally tighten DNA around histones and limit access to certain genes. When butyrate inhibits them, the DNA structure becomes more open and accessible. This allows increased expression of genes involved in antioxidant defense, mitochondrial function, and inflammation control. In simple terms, butyrate helps unlock parts of your genetic library that support repair and resilience.
0 likes • Mar 28
https://nootropicsdepot.com/infinifiber-fiber-has-never-been-built-like-this/ Butyrate.
Memberships Options: Read This If You’re New or Deciding How to Engage More Deeply
This community exists to correct a problem I see every day: smart, motivated people making avoidable mistakes because they are reacting to information instead of reasoning through it. Everything here is built around clear thinking, proper sequencing, and confident restraint. There are several ways to engage. Each one is designed for a different level of responsibility. The question is not whether to invest. The question is where you are right now. The Cellular Intelligence Circle For Orientation, Context, and Staying Current The Circle is where confusion gets resolved before it turns into action. This is the right place if you want to: - Understand emerging science without overreacting to it - Learn how decisions are actually weighed - Separate signal from noise - Avoid unnecessary intervention It is a content-first environment designed to compound over time. Membership provides access to a growing, curated body of work that functions as a reference library, not a feed to keep up with. Inside the Circle: - Peptide of the Month (mechanism, context, restraint) - Protocol and case reasoning breakdowns - Science article reviews focused on interpretation, not hype - Monthly live Q and A - Periodic synthesis webinars The Circle is not coaching. It is not protocol delivery. It is where judgment is built. Pricing - $79 per month - $219 for three months - $499 for twelve months This level is appropriate when your primary goal is orientation, understanding, and staying sharp. One-Time Consultations For Specific Decisions. Consultations exist for moments when a decision needs to be handled correctly. They focus on: - Identifying what actually matters - Removing unnecessary complexity - Clarifying what not to do Pricing - One hour consultation: $350 - One hour consultation with follow-up: $500 This option makes sense when a single decision needs careful thought. Ongoing Advisory Core For Continuity and Guardrails. This is for people who no longer want to think through complex decisions in isolation.
1 like • Mar 7
Is the inner circle functioning yet? Just checking. I have tried to join to no avail.
Jan 27 • 
Mitochondria
Mitochondrial health/efficiency (without peptides)
Hi all. Am curious if folks have protocols to improve mitochondrial efficiency without using peptides. Ie eating sardines, taking coq10, ensuring 7-9 hours of sleep etc. Would be very interested in understanding how Folks think about what they are taking (intended effect), timing and dosage. I saw a few historical posts touching on this but nothing that got into the details Of the why and how.
3 likes • Jan 28
Also PQQ can help. Coq10 (Ubiquinol) and Alpha Omega M3 is great. C60 for a while initially I’ve heard from @Chris Duffin can help and I will be trying soon.
OpenAI launched ChatGPT Health!!
Hello Everyone 👋 - Some of you may know already. OpenAI launched ChatGPT Health!! It was built to answer health and wellness questions for consumers. My understanding is that it was beta tested by over 600 MD physicians in over 60 countries to ensure accuracy with results, etc... I know we all have used AI platforms to field many of our health questions, even for peptide questions. AI is transforming speed and breadth of accessibility to information; we desperately need this access in the healthcare industry so we are informed, know the right questions to ask, better understanding of our biologics and hold the physicians accountable for a more comprehensive, informative and collaborative prognosis. We pay good 💰, that is hard earned and it is after-tax dollars, to have a healthier, more active lifestyle. And our Healthcare system has failed us by prioritizing net profit over preventative care initiatives, holistic integrative options, fair - honest knowledge share. I will leave it there b/c I am getting riled up when it comes to this topic 😊 This will not be the first and only healthcare AI dB knowledge platform. You can bet many will create more. AI developments are moving at lightening speed. So, here is one of the links - Enjoy 💕https://help.openai.com/en/articles/20001036-what-is-chatgpt-health - 🫂🤗
0 likes • Jan 15
https://chatgpt.com/g/g-zKizzcahz-peptidegpt Not the same thing. Just fyi.
0 likes • Jan 15
@Taylor S tbh I can’t recall where I got it but my understanding is it is trained on Dr. Seeds’ work mostly or exclusively I’m not certain. I’m sure I found it on Skool somewhere and I’d give credit if I could.
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Steven Goodspeed
2
10points to level up
@steven-goodspeed-1069
Learning

Active 3h ago
Joined Dec 9, 2025
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