This is Biohacking Weekly — a curated news roundup designed to help you increase your longevity, improve healthspan and access OptimOZ product picks.
1. Natural immune reboot in 28 days
2. Cognitive benefits of multilingualism
3. MCT vs. coconut oil comparison
4. The rise of mushroom coffee
5. How core strength extends healthspan
As we get older, we experience immunosenescence — a gradual weakening of the immune system that reduces young, protective T cells and makes us more vulnerable to infection and inflammation.
A new trial shows that urolithin A (UA) — a natural compound your gut makes after eating foods like pomegranate and walnuts — can rejuvenate the immune system in just 28 days.
The randomized, double-blind study in adults aged 45–70 showed that UA triggered mitophagy, the cell’s cleanup process, creating more young T cells and improving the body’s ability to clear harmful bacteria.
Source: Denk, D. et al., Nature Aging (2025)
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A major study of more than 80,000 people suggests that speaking multiple languages may slow brain ageing and reduce the risk of cognitive decline. The work shows that people who are multilingual are half as likely to show signs of accelerated biological ageing compared with those who speak only one language.
The team examined each participant’s biobehavioural age gap, a marker comparing chronological age with predicted age based on lifestyle, physiological and socioeconomic factors. The results were clear: just one additional language lowered the risk of accelerated ageing, and the protective effect grew with each extra language spoken.
Fun twist: all the language data was self-reported — meaning these benefits showed up regardless of the level of language proficiency.
👉 Read the full article on Scientific American
A recent Phytochemistry Reviews analysis shows why MCT oil outperforms regular coconut oil in major health areas.
Made almost entirely of caprylic (C8:0) and capric (C10:0) acids, MCT oil is absorbed directly by the liver, delivering faster energy, quicker ketone production, and no fat storage. In contrast, coconut oil’s longer-chain fats slow digestion and may raise cardiovascular risks. Backed by 291 studies, the review identifies MCT oil as a more efficient and predictable source of clean fuel.
The findings also highlight MCT's stronger satiety, higher fat oxidation, and more effective weight loss. Additional advantages include anticancer, neuroprotective, and gastrointestinal benefits, all with high safety and minimal side effects.
To apply these findings in a practical way, Primal Collective offers both liquid C8 MCT Oil and mix-friendly C8 MCT Powder options for the same fast energy and ketone-boosting benefits.
Source: Duranova H. et al., Phytochemistry Reviews (2024)
Mushroom coffee is catching attention and for a good reason. By blending classic coffee with lion’s mane, chaga, reishi, and cordyceps, it promises a calmer, more focused kind of energy.
Early research hints that lion’s mane may sharpen thinking and lift mood, while cordyceps could boost stamina and fight fatigue, giving your day a smoother start. Chaga’s immune-supporting beta-glucans and reishi’s stress-soothing effects add an extra layer of support that many people can feel.
👉 Read the full article on Medical News Today
A new look at longevity highlights an unexpected hero: the deeper core muscles you can’t see. From the diaphragm to the pelvic floor, core muscles play a central role in stabilizing the spine, preventing back pain, and supporting everyday movement.
They act as a system that manages intra-abdominal pressure, keeps the spine aligned, and connects breath, posture, and strength. Research backs their importance: a 2015 review shows that higher muscular strength is linked to lower risk of death, while additional studies from 2013 to 2021 show that weak core muscles increase fall risk, impair mobility, worsen back pain, and reduce independence with age.
According to experts, short, consistent sessions woven into daily movement are the key to lifelong core stability.
👉 Watch the full article on National Geographic
In this edition of Biohacking Weekly:
1. Caffeine’s surprising rhythm fix
2. The medicine you can look at
3. Why awareness won’t heal your gut
4. Does melatonin really harm your heart?
5. Aging, NAD+ and longevity pathways
This guide breaks down the most popular science-backed biohacking supplements of 2025, focusing on compounds that support cellular energy, metabolic health, and longevity. Each selection is grounded in clinical research and growing real-world adoption.
In this edition of Biohacking Weekly:
1. The nutrigenomics effect
2. Dr. Peter Attia on your body’s “engine size”
3. The microbiome shortcut to ending constipation
4. How bright nights turn into heart trouble
5. Gluten sensitivity isn't about gluten
