The Journal
blog
Research breakdowns, dosage guides, and wellness insights — all evidence-based.

Best Mushroom Coffee: How to Pick One That Works (2026)
⚡ QUICK ANSWER The best mushroom coffee uses dual-extracted fruiting-body mushrooms (not mycelium on grain), lists...

Does Creatine Cause Hair Loss? What One RCT Finally Proved (2026)
⚡ QUICK ANSWER No. The first RCT to directly measure both DHT and hair follicle health (Lak et al., 2025, 45 males,...

Berberine vs. Metformin: What the Research Actually Says
Berberine matched metformin on blood sugar in the only head-to-head RCT — but it is not a metformin replacement. In ...

Best Supplements for Sleep: Research-Backed Picks (2026)
Magnesium glycinate, melatonin, and L-theanine have the strongest sleep evidence. But CBT-I beats all of them. Full R...

Best Supplements for Stress: Adaptogens Ranked (2026)
Ashwagandha KSM-66 has 15 RCTs and 873 participants behind it. Magnesium and L-theanine fill different gaps. Full evi...

Best Supplement Stack for Muscle Growth (2026)
The best supplement stack for muscle growth is built on three things, in this order: creatine monohydrate, enough tot...

Best Supplement Stacks (2026): A No-Hype Guide
A supplement stack is a deliberate combination of supplements taken together to support a single goal — like building...

Longevity Supplements (2026): 7 That Actually Work
The best longevity supplements work through three core mechanisms: restoring NAD+ (the coenzyme that declines roughly...

Best Nootropic Stacks (2026): 3 Science-Backed Combos
The best nootropic stack pairs three different pathways, not three versions of the same one: Lion's Mane (1,000 mg/da...