Knowledge Hub
Evidence-based articles, research spotlights, and supplement guides
Leuvate Review: Leucine-Enriched EAA as a Protein Additive or On Its Own
PVL's captive leucine-heavy EAA blend, read straight: the leucine threshold, when a small protein dose matches a big one, how it compares to Velositol and self-blended EAAs, and what can't be claimed.
Aug 4, 2026NAD+ Precursor Deep DiveNMN vs Nicotinamide Riboside (NR): Evidence-Based NAD+ Comparison
The two most-studied NAD+ precursors compared on bioavailability, human clinical outcomes, safety and regulatory status — grounded in peer-reviewed trials.
Jul 19, 2026Evidence RankingBest Nootropics, Ranked by Clinical Evidence
Every nootropic in the SuppIndex database ranked by its 0–100 evidence score — doses, timing and indexed studies, re-ranked live as research lands.
Jul 16, 2026Ingredient Deep DiveAshwagandha vs Rhodiola: Which Adaptogen Wins?
Ashwagandha calms, rhodiola energizes — how the two best-known adaptogens compare on stress, sleep, fatigue and focus, per the indexed evidence.
Jul 16, 2026Ingredient Deep DiveL-Theanine vs Ashwagandha: Which Is Better for Stress?
Acute calm-focus within the hour vs chronic stress relief over weeks — how to choose (or stack) the two most popular calming supplements.
Jul 16, 2026Ingredient Deep DiveMagnesium Glycinate vs Citrate: Which to Take?
Both absorb well — but they differ on sleep support, digestive effect and cost. How to pick by goal, dosed in elemental magnesium.
Jul 16, 2026Ingredient Deep DiveWhey Isolate vs Hydrolysate: Worth the Upgrade?
Hydrolysed whey absorbs fastest of any protein — but does that speed change results? When the premium is justified, per the evidence.
Jul 16, 2026Ingredient Deep DiveWhey vs Casein: Evidence-Based Comparison for Muscle Protein Synthesis
Fast whey vs slow casein — head-to-head on absorption kinetics, leucine content, MPS response, cost, and when to use each.
Jun 28, 2026Ingredient Deep DiveBerberine vs Metformin: Evidence-Based Comparison
How berberine — often called 'nature's metformin' — compares to metformin for blood glucose, HbA1c, weight loss and side effects, grounded in the 2008 head-to-head trial.
Jun 26, 2026Ingredient Deep DiveBest Magnesium Supplement Forms: Evidence-Based Comparison
Glycinate vs citrate vs L-threonate vs malate vs taurate vs oxide — which form to pick for sleep, recovery, cognition or cardiovascular health.
Jun 17, 2026Understanding Evidence Ratings: How We Score Supplements
Learn how SuppIndex calculates evidence scores using clinical trial data, meta-analyses, and mechanistic plausibility ratings.
Mar 10, 2026Creatine Beyond Muscle: Cognitive Benefits Explained
New research highlights creatine's role in brain energy metabolism and its potential benefits for cognitive function.
Mar 8, 2026Ashwagandha: Comparing KSM-66 vs Sensoril
A deep dive into the two most popular ashwagandha extracts, their clinical evidence, and when to use each.
Mar 5, 2026The Stack Guide: Building an Evidence-Based Supplement Routine
How to combine supplements based on evidence, bioavailability, and synergistic interactions.
Mar 1, 2026More content coming soon
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