Supplement Comparisons

Head-to-head evidence comparisons. Find out which supplement has stronger research for your specific goal.

74 comparisons · Based on peer-reviewed research

🧘 anxiety

Ashwagandha (KSM-66) vs L-Theanine
→
65% vs 58%

Winner: Ashwagandha (KSM-66)
L-Theanine vs Magnesium Glycinate
→
58% vs 50%

Winner: L-Theanine
5-HTP vs Ashwagandha (KSM-66)
→
0% vs 65%

Winner: Ashwagandha (KSM-66)
Inositol (Myo-Inositol) vs Ashwagandha (KSM-66)
→
55% vs 65%

Winner: Ashwagandha (KSM-66)
CBD Oil (Cannabidiol) vs Ashwagandha (KSM-66)
→
50% vs 65%

Winner: Ashwagandha (KSM-66)

🌿 stress

Ashwagandha (KSM-66) vs Rhodiola Rosea
→
68% vs 55%

Winner: Ashwagandha (KSM-66)
Rhodiola Rosea vs L-Theanine
→
55% vs 55%

Winner: Tie

😴 sleep

Ashwagandha (KSM-66) vs Magnesium Glycinate
→
52% vs 58%

Winner: Magnesium Glycinate
Melatonin vs Magnesium Glycinate
→
62% vs 58%

Winner: Melatonin
Melatonin vs Glycine
→
62% vs 58%

Winner: Melatonin
Magnesium Glycinate vs Glycine
→
58% vs 58%

Winner: Tie
L-Theanine vs Melatonin
→
45% vs 62%

Winner: Melatonin
Tart Cherry Extract vs Melatonin
→
48% vs 62%

Winner: Melatonin
Ashwagandha (KSM-66) vs Melatonin
→
52% vs 62%

Winner: Melatonin

😊 mood

5-HTP vs L-Theanine
→
0% vs 0%

Winner: Tie

🧠 cognitive function

Caffeine vs L-Theanine
→
78% vs 52%

Winner: Caffeine
Creatine Monohydrate vs Lion's Mane (Hericium erinaceus)
→
62% vs 38%

Winner: Creatine Monohydrate
Bacopa Monnieri vs Lion's Mane (Hericium erinaceus)
→
55% vs 38%

Winner: Bacopa Monnieri
Alpha-GPC vs Lion's Mane (Hericium erinaceus)
→
40% vs 38%

Winner: Alpha-GPC
Alpha-GPC vs Bacopa Monnieri
→
40% vs 55%

Winner: Bacopa Monnieri
Phosphatidylserine vs Bacopa Monnieri
→
45% vs 55%

Winner: Bacopa Monnieri
Lion's Mane (Hericium erinaceus) vs Rhodiola Rosea
→
38% vs 0%

Winner: Lion's Mane (Hericium erinaceus)
L-Tyrosine vs Caffeine
→
55% vs 78%

Winner: Caffeine
Magnesium L-Threonate vs Bacopa Monnieri
→
38% vs 55%

Winner: Bacopa Monnieri

⚡ energy

Rhodiola Rosea vs Caffeine
→
0% vs 85%

Winner: Caffeine
Iron vs Vitamin B12 (Cobalamin)
→
72% vs 25%

Winner: Iron
Coenzyme Q10 (CoQ10) vs Creatine Monohydrate
→
40% vs 0%

Winner: Coenzyme Q10 (CoQ10)
Vitamin B12 (Cobalamin) vs Vitamin B Complex
→
25% vs 30%

Winner: Vitamin B Complex
Rhodiola Rosea vs Ashwagandha (KSM-66)
→
0% vs 0%

Winner: Tie
L-Tyrosine vs Rhodiola Rosea
→
0% vs 0%

Winner: Tie

🏋️ exercise performance

Creatine Monohydrate vs Beta-Alanine
→
88% vs 65%

Winner: Creatine Monohydrate
L-Citrulline vs Beta-Alanine
→
62% vs 65%

Winner: Beta-Alanine
Creatine Monohydrate vs L-Citrulline
→
88% vs 62%

Winner: Creatine Monohydrate
Caffeine vs Beta-Alanine
→
82% vs 65%

Winner: Caffeine
Taurine vs Beta-Alanine
→
45% vs 65%

Winner: Beta-Alanine
Electrolytes (Sodium/Potassium/Magnesium) vs Creatine Monohydrate
→
65% vs 88%

Winner: Creatine Monohydrate

💪 muscle growth

Whey Protein vs Creatine Monohydrate
→
80% vs 85%

Winner: Creatine Monohydrate
Whey Protein vs Casein Protein
→
80% vs 75%

Winner: Whey Protein
Whey Protein vs Pea Protein
→
80% vs 72%

Winner: Whey Protein

❤️ heart health

Omega-3 (EPA/DHA) vs High-EPA Fish Oil (Prescription-Grade)
→
45% vs 0%

Winner: Omega-3 (EPA/DHA)
Coenzyme Q10 (CoQ10) vs Omega-3 (EPA/DHA)
→
55% vs 45%

Winner: Coenzyme Q10 (CoQ10)
Omega-3 (EPA/DHA) vs Nattokinase
→
45% vs 0%

Winner: Omega-3 (EPA/DHA)
Fish Oil (Standard OTC) vs High-EPA Fish Oil (Prescription-Grade)
→
30% vs 0%

Winner: Fish Oil (Standard OTC)

🩹 inflammation

Turmeric (Curcumin) vs Omega-3 (EPA/DHA)
→
58% vs 79%

Winner: Omega-3 (EPA/DHA)
Turmeric (Curcumin) vs Quercetin
→
58% vs 45%

Winner: Turmeric (Curcumin)

🦴 joint health

Boron vs Glucosamine
→
0% vs 0%

Winner: Tie
Glucosamine vs Collagen Peptides
→
0% vs 0%

Winner: Tie
MSM (Methylsulfonylmethane) vs Glucosamine
→
0% vs 0%

Winner: Tie

🦠 gut health

Probiotics (Multi-strain) vs Fiber (Psyllium/Inulin/General)
→
60% vs 72%

Winner: Fiber (Psyllium/Inulin/General)
Probiotics (Multi-strain) vs Psyllium Husk
→
60% vs 68%

Winner: Psyllium Husk
Digestive Enzymes vs Probiotics (Multi-strain)
→
0% vs 60%

Winner: Probiotics (Multi-strain)

✨ skin health

Collagen Peptides vs Vitamin C (Ascorbic Acid)
→
59% vs 45%

Winner: Collagen Peptides
Collagen Peptides vs Marine Collagen
→
59% vs 55%

Winner: Collagen Peptides
Astaxanthin vs Vitamin C (Ascorbic Acid)
→
50% vs 45%

Winner: Astaxanthin

⏳ longevity

NMN (Nicotinamide Mononucleotide) vs Resveratrol
→
30% vs 25%

Winner: NMN (Nicotinamide Mononucleotide)
Coenzyme Q10 (CoQ10) vs NMN (Nicotinamide Mononucleotide)
→
0% vs 30%

Winner: NMN (Nicotinamide Mononucleotide)

🛡️ immune function

Zinc vs Vitamin C (Ascorbic Acid)
→
72% vs 55%

Winner: Zinc
Vitamin D3 vs Zinc
→
55% vs 72%

Winner: Zinc
Elderberry (Sambucus nigra) vs Vitamin C (Ascorbic Acid)
→
48% vs 55%

Winner: Vitamin C (Ascorbic Acid)
Quercetin vs Zinc
→
0% vs 72%

Winner: Zinc

🦴 bone health

Vitamin D3 vs Vitamin K2 (MK-7)
→
70% vs 55%

Winner: Vitamin D3
Calcium vs Vitamin D3
→
65% vs 70%

Winner: Vitamin D3

📉 blood sugar

Berberine vs Alpha-Lipoic Acid
→
65% vs 55%

Winner: Berberine
Berberine vs Chromium Picolinate
→
65% vs 40%

Winner: Berberine
Cinnamon (Ceylon) vs Berberine
→
40% vs 65%

Winner: Berberine

🧬 hormone balance

Ashwagandha (KSM-66) vs Tongkat Ali (Eurycoma longifolia)
→
0% vs 0%

Winner: Tie
Tongkat Ali (Eurycoma longifolia) vs Fenugreek
→
0% vs 0%

Winner: Tie
Zinc vs Ashwagandha (KSM-66)
→
0% vs 0%

Winner: Tie
DHEA vs Ashwagandha (KSM-66)
→
0% vs 0%

Winner: Tie

🔥 libido

Maca Root vs Ashwagandha (KSM-66)
→
50% vs 0%

Winner: Maca Root

💇 hair health

Biotin vs Collagen Peptides
→
30% vs 0%

Winner: Biotin
Saw Palmetto vs Biotin
→
0% vs 30%

Winner: Biotin

🔥 fat loss

Caffeine vs Green Tea Extract (EGCG)
→
45% vs 40%

Winner: Caffeine
Berberine vs Green Tea Extract (EGCG)
→
0% vs 40%

Winner: Green Tea Extract (EGCG)