Head-to-head

Supplement comparisons

The common "A vs B" questions, answered. One verdict per page — plus who should pick which, and when to take both.

• Creatine Monohydrate vs Protein Powder

  Creatine vs protein powder: which should you take first?

  Protein first, creatine second — but most people should take both.

• Magnesium Glycinate vs Melatonin

  Magnesium vs melatonin for sleep: which works better?

  Magnesium for most people. Melatonin only for timing problems.

• Ashwagandha (KSM-66) vs Magnesium Glycinate

  Ashwagandha vs magnesium: which for stress?

  Ashwagandha for cortisol; magnesium for muscle tension and sleep.

• Collagen Peptides vs Protein Powder

  Collagen vs whey protein: are they interchangeable?

  No. They do different jobs.

• Vitamin D3 + K2 vs Vitamin C

  Vitamin D vs vitamin C: which matters more for immunity?

  Vitamin D — for most people, by a wide margin.

• Zinc vs Vitamin C

  Zinc vs vitamin C for colds: which wins?

  Zinc — slightly — if you start it within 24 hours of symptoms.

• Probiotic (Multi-strain) vs Psyllium Husk

  Probiotic vs prebiotic fiber: which for gut health?

  Fiber first. Most people don't need a probiotic if fiber and diet diversity are handled.

• Creatine Monohydrate vs Ashwagandha (KSM-66)

  Creatine vs ashwagandha: different goals, different picks.

  Creatine for performance. Ashwagandha for stress. No overlap.

• Omega-3 (EPA/DHA) vs Vitamin D3 + K2

  Omega-3 vs vitamin D: if I can only take one?

  Vitamin D — if deficiency is likely (most people).

• Glucosamine + Chondroitin vs Collagen Peptides

  Glucosamine vs collagen for joints: which?

  Collagen for tendon/skin/active athletes. Glucosamine for established joint pain.

• B-Complex vs Vitamin B12 (Methylcobalamin)

  B-complex vs B12: which should vegans take?

  Both, but B12 is non-negotiable.

• Collagen Peptides vs Omega-3 (EPA/DHA)

  Collagen vs omega-3 for skin: which works better?

  Collagen for structure and elasticity. Omega-3 for inflammation and barrier.

• Collagen Peptides vs Creatine Monohydrate

  Collagen vs creatine: do I need both?

  Yes, if budget allows — they solve different problems.

• Caffeine + L-Theanine vs Ashwagandha (KSM-66)

  Caffeine + L-theanine vs ashwagandha: focus or calm?

  Different tools for different moments.