What the studies actually say.
Deep dives into the science behind popular supplements, with honest evidence ratings on every piece.
The New Vitamin D Guidelines: What Changed
In 2024, the Endocrine Society released updated clinical practice guidelines on vitamin D, significantly revising who…
Lion's Mane vs. Creatine for Brain Health
Creatine and lion's mane both support cognitive health but work through completely different mechanisms. Creatine…
What Supplements Should You Actually Take for Brain Fog?
Fix deficiencies first: vitamin B12, vitamin D, and iron are among the most common nutrient-based causes of brain fog…
Berberine vs. Metformin: Is "Nature's Ozempic" Actually Comparable?
Berberine and metformin share the same core mechanism, AMPK activation, and one small 2008 trial found comparable blood…
BPC-157 and the FDA Vote: What It Actually Means (And What It Doesn't)
The July 2026 FDA advisory committee voted 8-6 to recommend BPC-157 for limited prescription compounding, not retail…
Levothyroxine and Supplements: What to Avoid and When to Take Everything Else
Calcium, iron, and magnesium can each reduce levothyroxine absorption if taken too close together. Take levothyroxine…
Creatine for Brain Health: What the New Research Actually Shows
Creatine supports brain energy metabolism and has genuine human trial evidence for preserving working memory and…
Can You Take Magnesium and Vitamin D Together?
Yes, magnesium and vitamin D work better together than either does alone. Magnesium activates the enzymes that convert…
Does Metformin Deplete B12? What the Research Says
Yes, taking metformin for a long stretch is linked to lower B12 in a meaningful share of people, because it interferes…
Magnesium Glycinate vs Citrate: Which Form Should You Take?
Choose magnesium glycinate for sleep, relaxation, or a sensitive stomach; it is gentle on digestion and bound to…
Melatonin vs Magnesium for Sleep: Which One Should You Take?
Melatonin is a circadian timing signal, most useful when your sleep schedule has been disrupted by jet lag or shift…
How Long Do Supplements Take to Work? A Realistic Timeline
Most supplements take two to six weeks of consistent daily use to show a noticeable effect, and some take longer…
Supplement and Medication Interactions You Should Know About
Some supplements can make common medications weaker or riskier. St. John's Wort speeds up liver enzymes and can weaken…
Best Time to Take Magnesium for Sleep and Recovery
For sleep and recovery, take magnesium in the evening, about 30 to 60 minutes before bed, and reach for magnesium…
Supplements You Shouldn't Take Together (and Why)
Calcium and iron compete for the same absorption pathway, so separate them by at least two hours. High-dose zinc taken…