Kristopher Crawford

Time-Restricted Eating

Time-restricted eating (TRE) is the practice of confining all daily caloric intake to a defined window — most commonly 8 hours (16:8), 10 hours (14:10), 6 hours (18:6), or one meal per day (23:1, OMAD). The intervention has exploded in cultural…

29 May 2026

TUDCA (Tauroursodeoxycholic Acid)

Tauroursodeoxycholic acid (TUDCA) is the taurine-conjugated form of ursodeoxycholic acid (UDCA), a hydrophilic bile acid produced naturally in humans in small quantities. In Europe it has been used clinically since the 1990s for cholestatic liver…

29 May 2026

Strength Training for Longevity

Skeletal muscle is increasingly recognized in the longevity literature as a metabolic and endocrine organ — a glucose disposal sink, an endocrine signaling source (myokines), a reserve for the metabolic challenges of acute illness and recovery, and…

29 May 2026

Red Yeast Rice

Red yeast rice is rice fermented with the mold Monascus purpureus. The fermentation produces a family of natural-product polyketides called monacolins, the most clinically relevant of which is monacolin K. Monacolin K is identical in chemical…

29 May 2026

Racetams — The Legacy Nootropic Class

The racetam family is the original modern nootropic drug class. Piracetam was synthesized by Corneliu Giurgea in 1964 in Belgium; the term "nootropic" itself was coined by Giurgea to describe what he believed piracetam to be. The class shares a…

29 May 2026

Protein Requirements for Aging Adults

The U.S. Recommended Daily Allowance (RDA) for protein is 0.8 grams per kilogram of body weight per day. That number was set decades ago based on short-term nitrogen-balance studies in young sedentary adults, and it represents the minimum required…

29 May 2026

Prolonged Fasting (3, 5, 7 Day)

Prolonged water-only or near-water-only fasting — typically 3, 5, or 7 days — has emerged from a niche longevity practice into a recurring feature of the men's optimization conversation. The mechanistic case is interesting: prolonged fasting drives…

29 May 2026

Polynucleotides (Rejuran and Analogs)

Polynucleotides (PN) are short fragments of DNA, typically extracted from the gonadal tissue of Pacific salmon, processed to produce a defined molecular-weight range of nucleotide chains. The most-recognized branded product is Rejuran…

29 May 2026

Oral Minoxidil (Low-Dose)

Minoxidil is a potassium channel opener originally developed as an antihypertensive in the 1970s. The hair-growth side effect was noticed quickly; topical minoxidil was approved for androgenetic alopecia in 1988 and became the dominant…

29 May 2026

Noopept

Noopept (N-phenylacetyl-L-prolylglycine ethyl ester) is a synthetic dipeptide developed in Russia in the mid-1990s at the Institute of Pharmacology of the Russian Academy of Medical Sciences. It was developed as a more potent analogue of piracetam —…

29 May 2026

Microdosing Psychedelics

Microdosing is the practice of taking sub-perceptual doses of a classical psychedelic — most commonly psilocybin (roughly 0.1–0.5 g of dried Psilocybe cubensis, or about 1–3 mg of pure psilocybin) or LSD (approximately 5–20 mcg) — every few days,…

29 May 2026

Macular Protection Stack (AREDS2)

The Age-Related Eye Disease Study (AREDS) and its successor AREDS2 are among the most rigorously conducted nutritional intervention trials in modern medicine. Funded by the National Eye Institute and conducted over more than two decades, the trials…

29 May 2026

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