Folate vs Folic Acid: Why the Difference Matters for MTHFR
Folate and folic acid are not interchangeable. For people with MTHFR variants, methylfolate is essential. Here is what you need to know.
February 27, 2026·4 min read
Best Forms of Iron Supplements: Ferrous vs Ferric vs Bisglycinate
Iron bisglycinate has better absorption and far fewer GI side effects than ferrous sulfate. Here is what the evidence shows.
February 27, 2026·5 min read
Methylcobalamin vs Cyanocobalamin: The Best Form of Vitamin B12
Methylcobalamin is the active form of B12 that your body uses directly. Here is how it compares to the cheaper cyanocobalamin.
February 27, 2026·4 min read
NAD+ vs NMN vs NR: The Longevity Supplement Hierarchy Explained
NAD+ cannot be taken orally effectively. NMN and NR are precursors that raise NAD+ levels—here is what the research shows about each.
February 27, 2026·4 min read
Nattokinase vs Serrapeptase: Systemic Enzymes for Cardiovascular and Inflammation Support
Nattokinase thins blood and dissolves clots while serrapeptase targets inflammation and scar tissue. Here is the evidence on both enzymes.
February 27, 2026·4 min read
NMN vs NR: Which NAD+ Precursor Is More Effective?
NMN and NR both raise NAD+ but through slightly different pathways. Here is what the human trials actually show about which works better.
February 27, 2026·6 min read
Phosphatidylserine vs Phosphatidylcholine: Brain Cell Membrane Essentials
Phosphatidylserine supports memory and cortisol while phosphatidylcholine supplies acetylcholine and liver health. Here is how they compare.
February 27, 2026·4 min read
Whey vs Casein vs Pea Protein: Complete Comparison
Whey is fast and leucine-rich for post-workout. Casein is slow for overnight recovery. Pea protein is a surprisingly effective vegan option.
February 27, 2026·6 min read
Vitamin D2 vs D3: Which Form Actually Raises Your Levels?
Vitamin D3 raises blood levels faster and lasts longer than D2. Here is what the research says and which form to choose.
February 27, 2026·4 min read
Vitamin D2 vs D3: Why D3 Is Clearly Superior
Vitamin D3 raises 25-OH-D levels far more effectively than D2. Here is why the form matters and which supplements to choose.
February 27, 2026·5 min read
Whey Isolate vs Concentrate: Is the Upgrade Worth It?
Whey isolate has higher protein content and less lactose than concentrate. Here is who actually needs to pay the premium.
February 27, 2026·6 min read
Methylfolate vs Folic Acid: Why the Form of Folate You Take Matters
Methylfolate is the active form of folate that bypasses genetic limitations affecting 40-60% of people. Learn why it's superior to synthetic folic acid.
February 15, 2026·12 min read