Biohacking Weekly 65: Tributyrin and the Gut–Brain Connection
March 08, 2026This is Biohacking Weekly — a curated news roundup designed to help you increase your longevity, improve healthspan and access OptimOZ product picks.
IN THIS EDITION
1. Postbiotic approach in Parkinson’s
2. The "quiet eye" training for sharper focus
3. Why offal delivers more than muscle meat
4. Tai Chi walking for healthy ageing
5. Chervin Jafarieh on biohacking the right way
1. Tributyrin Explained: A Stable Butyrate Precursor Tested in Parkinson’s
Tributyrin is a naturally occurring compound found in butter that, once digested, releases a molecule called butyrate. It's one of the key fuels that keeps intestinal lining healthy and immune system from overreacting.
Scientists are now asking: what happens when butyrate reaches the brain?
The challenge is that getting butyrate there is harder than it sounds. Standard butyrate supplements get gobbled up by gut cells before they ever make it into the bloodstream — let alone the brain. Tributyrin, however, behaves differently. As a stable fat molecule, it travels further through the digestive process before releasing butyrate, allowing it to reach the bloodstream at meaningfully higher levels.
Researchers put this to the test in a small but intriguing study involving people with Parkinson's disease — a condition where inflammation and gut-brain communication are increasingly recognized as key players.
Fourteen participants took tributyrin three times daily for about a month. Using advanced PET imaging, scientists were able to see butyrate being taken up by organs throughout the body. They also observed signs of reduced systemic inflammation — and early signals of improvements in both motor and cognitive function.
Source: Bohnen J et al., Neurotherapeutics (2025)
Meet BodyHealth Tributyrin
BodyHealth Tributyrin is a postbiotic formulated to support gut barrier integrity, promote a balanced microbiome, and strengthen immune resilience.
Each capsule delivers 200mg of Tributyrin Complex enhanced with PerfectAmino® essential amino acids that further support cellular health, repair, and metabolic efficiency.
Tributyrin supports intestinal and immune health and contributes to healthy gut–brain axis function associated with cognitive performance.
2. How Quiet Eye Training Improves Performance Under Pressure
Elite performers often fix their gaze steadily on a key visual target just before they act. This technique, known as the quiet eye, helps guide precise movement and sharpen decision-making.
Research shows experts fixate earlier and longer than novices, feeding high-quality spatial data into the brain that enhances motor control and execution under pressure. This brief stillness acts like a neural stabilizer, filtering noise before movement begins.
Quiet eye training teaches individuals to consciously hold their gaze on a specific target for several seconds before and during an action. The goal is to reduce visual distractions and improve brain–body coordination. Early findings suggest this practice may strengthen attention control and support performance in sports, surgery, and other precision-based tasks.
👉 Read the full article on Big Think
3. Why Organ Meats are the Nutrient Goldmine
Organ meats such as liver, heart, and kidneys contain far higher levels of vitamins and minerals per gram than typical muscle meat, especially iron, B-vitamins (including B12), copper, zinc, and choline.
Livers alone can provide substantial portions of daily micronutrient needs, acting almost like natural multivitamins in compact form. These foods also supply high-quality protein and bioactive compounds that aid metabolic processes.
Their combination of high-quality protein and bioavailable vitamins supports muscle maintenance, cognitive performance, and metabolic stability.
👉 Read the full article on National Geographic
For those who find eating organ meats uncomfortable, capsules offer a practical alternative without the strong taste or texture. Primal Collective Beef Multi Organ Capsules provide a blend of desiccated beef liver, heart, kidney, and spleen sourced from grass-fed, pasture-raised Australian cattle.
If you want to focus specifically on liver’s concentrated nutrient supply, Primal Collective Desiccated Beef Liver Capsules deliver 3 grams of desiccated (dried) beef liver per serving, which is equivalent to 28 grams of fresh liver.
4. Tai Chi Walking: The Science of Steadier Movement
New evidence suggests that mindful, slow-paced “Tai Chi walking” strengthens balance and body awareness in ways that go beyond traditional walking. By deliberately shifting weight and focusing on posture and gait, this practice enhances dynamic balance — your ability to stay steady while moving — an important factor in reducing fall risk, especially in aging adults.
Experts note that this low-impact, slow-motion approach acts like neuromuscular tuning: it trains the nervous system to coordinate muscles more precisely while walking, helping people anticipate and correct instability before it leads to a stumble.
Regular practice may not only reduce falls but also contribute to calmer stress responses and greater overall mobility.
👉 Read the full article on The New York Times
5. Chervin Jafarieh on Longevity Without Shortcuts
Chervin Jafarieh, co-founder and Chief Scientific Officer of Cymbiotika, appeared on the Digital Social Hour podcast to dissect the modern supplement industry and the science behind true health optimization. He describes the space as a “wild west,” claiming 95% of brands are marketing companies with little oversight.
He links aging to mitochondrial breakdown, inflammation, and metabolic dysfunction, noting that atherosclerotic disease remains the leading cause of death worldwide. Foundational nutrients such as D3/K2, magnesium, creatine, and glutathione are framed as tools to restore cellular resilience.
His core message: fix the mitochondria, support detox pathways, respect circadian biology — or risk accelerating decline.