BiologicalX is a broad-spectrum hub for human optimization. Not just peptides, not just nootropics, not just longevity. The whole stack: sleep, cognition, metabolism, recovery, hormones, fitness, and the wearables and lab panels that make any of it measurable.
Three surfaces
- Articles. Long-form deep dives, protocol reviews, and honest takes. Every clinical claim links to a primary source. Evidence tier declared up front ( Mandsager et al. 2018, n=122007 is an example of the citation format we use across the site).
- Tools. 5 free interactive calculators today: reconstitution, dosage, half-life, cost-per-dose, biological age (Levine PhenoAge). 7 more planned across 2026.
- Vendors. A directory with 0-10 trust scores, pros, cons, shipping regions, and discount codes where we have them. Kreider et al. 2017 is the kind of primary-source discipline we hold vendors to on purity documentation.
What is coming next
- The first batch of calculators shipped before the article archive grew past a dozen pieces. Next up: macro calculator, cycling generator, VO2 max estimator.
- Compound directory entries arrive alongside the articles that reference them. 8 today, 20 by end of Q2.
- Vendor reviews start with the categories where the noise-to-signal ratio is worst: peptides first, nootropics second, wearables third.
If you want to follow along, the newsletter is the best place. One weekly email, no fluff. We do not have a mail provider wired yet; the form captures nothing, it's a placeholder until the provider lands.