Supplement Science Blog
Evidence-based guides on supplements, dosing, and stacking.
May 2, 2026 · 5 min read
Whey vs Casein Protein: Best Timing and Use Cases
Whey is fast-digesting for post-workout; casein is slow-digesting for overnight recovery. But the distinction matters less than most people think.
May 1, 2026 · 6 min read
Creatine Monohydrate vs HCL: Which Form Actually Works Better?
Both forms of creatine boost strength and muscle mass, but they differ in dose, solubility, and GI tolerance. Here's what the research says.
April 29, 2026 · 6 min read
Ashwagandha vs Rhodiola: Best Adaptogen for Stress and Performance?
Both adaptogens reduce cortisol and improve resilience, but they work through different mechanisms. We compare the evidence and use cases.
April 26, 2026 · 5 min read
Vitamin D3 vs K2: Do You Need Both for Bone Health?
D3 helps absorb calcium; K2 directs it to bones. They work better together than apart. Here's what the evidence says about stacking them.
April 23, 2026 · 5 min read
Pre-Workout vs Creatine: What to Take and When
Pre-workout gives an immediate energy boost; creatine builds strength over weeks. Most people should take both — but in different ways.
April 20, 2026 · 6 min read
Magnesium Glycinate vs Citrate vs Oxide: Best Form for Sleep and Recovery
Magnesium comes in 10+ forms with wildly different absorption rates. Glycinate wins for sleep; citrate wins for constipation. Here's the breakdown.
April 17, 2026 · 5 min read
Fish Oil vs Algae Oil Omega-3: Which Should You Take?
Both provide EPA and DHA, but algae oil is vegan and skips the fishy aftertaste. We compare bioavailability, dose, and environmental impact.
April 14, 2026 · 5 min read
BCAA vs EAA: Are Branch Chain Amino Acids Still Worth It in 2026?
EAA (essential amino acids) contain all 9 essential aminos including the 3 BCAAs. The research increasingly favors EAA over isolated BCAAs.
April 11, 2026 · 5 min read
Melatonin vs Magnesium: Better Natural Sleep Aid in 2026?
Melatonin resets your sleep clock; magnesium calms your nervous system. They solve different sleep problems — here's how to pick.
April 8, 2026 · 5 min read
Collagen vs Protein Powder: What's the Difference and When to Use Each?
Collagen is not a complete protein and won't build muscle the same way whey does. But for joints, skin, and connective tissue, it has unique benefits.