Best Melatonin-Free Sleep Supplements, Ranked by Evidence
Top 3 Magnesium, Glycine, Taurine
See full ranking →Head-to-head reports and category rankings that pull live scores from the BioHarmony Ratings and name the best pick for each use case. Every report is reviewed quarterly, or immediately when a component score changes.
71 of 71 Comparisons
Filled blue · clear winner Both tinted · take both together Plain · depends on your goal
A whole category ranked in order, so you can see where every option lands before you commit to one.
Top 3 Magnesium, Glycine, Taurine
See full ranking →Top 3 BPC-157, GHK-Cu, TB-500
See full ranking →Top 3 Lactoferrin, Molecular Hydrogen, Colostrum
See full ranking →Top 3 Methylene Blue, Semax, Modafinil
See full ranking →Top 3 SLU-PP-332, Ca-AKG, MOTS-c
See full ranking →Top 3 Tirzepatide, Retatrutide, Semaglutide
See full ranking →Top 3 Red Light Therapy, Infrared Sauna, Traditional Sauna
See full ranking →Top 3 TRT, Shilajit, Tongkat Ali
See full ranking →Top 3 Tesamorelin, CJC-1295, Sermorelin
See full ranking →Two or three interventions compared directly, with a named pick for each use case.
| Comparison | Matchup | Verdict | Top Use Case | Updated |
|---|---|---|---|---|
| Best Melatonin-Free Sleep Supplements, Ranked by Evidence | Top 3: Magnesium, Glycine, Taurine | Category ranking 8 ranked | — | 5 days ago |
| Healing Peptides Ranked by Evidence | Top 3: BPC-157, GHK-Cu, TB-500 | Category ranking 7 ranked | — | 7 days ago |
| Eloralintide vs Retatrutide: Which Is Better for Weight Loss? | Eloralintide5.0+ vs Retatrutide5.5+ | One clear winner | Metabolic Health: Retatrutide | 3 weeks ago |
| Noopept vs Semax: Which Is Better for Cognition and Focus? | Noopept6.0+ vs Semax7.0+ | One clear winner | Cognition & Focus: Semax | 3 weeks ago |
| Best Gut Health Supplements Ranked by Evidence | Top 3: Lactoferrin, Molecular Hydrogen, Colostrum | Category ranking 12 ranked | — | 7 days ago |
| Nootropic Peptides and Smart Drugs Ranked by Evidence | Top 3: Methylene Blue, Semax, Modafinil | Category ranking 14 ranked | — | 3 weeks ago |
| Exercise Mimetics Ranked: Which Ones Actually Work? | Top 3: SLU-PP-332, Ca-AKG, MOTS-c | Category ranking 7 ranked | — | 3 weeks ago |
| Best GLP-1 Drugs Ranked by Evidence (2026) | Top 3: Tirzepatide, Retatrutide, Semaglutide | Category ranking 9 ranked | — | 2 weeks ago |
| Recovery Devices and Therapies Ranked by Evidence | Top 3: Red Light Therapy, Infrared Sauna, Traditional Sauna | Category ranking 11 ranked | — | 2 weeks ago |
| Thymosin Alpha-1 vs Thymalin: Which Peptide Wins for Immunity? | Thymosin Alpha-17.0+ vs Thymalin5.5+ | One clear winner | Immune Function: Thymosin Alpha-1 | 3 weeks ago |
| Thymalin vs Thymulin: Which Peptide Is Better for Immunity? | Thymalin5.5+ vs Thymulin6.5+ | Depends on your goal | Immune Function: Thymulin | 3 weeks ago |
| Tesamorelin vs Ipamorelin: Which Peptide Is Better for Fat Loss? | Tesamorelin6.0+ vs Ipamorelin6.0+ | One clear winner | Body Composition: Tesamorelin | 3 weeks ago |
| Sermorelin vs Ipamorelin: Which Peptide Is Better for Fat Loss? | Sermorelin5.5+ vs Ipamorelin6.0+ | One clear winner | Body Composition: Sermorelin | 3 weeks ago |
| Semax vs Selank: Which Peptide Is Better for Focus and Anxiety? | Semax7.0+ vs Selank6.5+ | Depends on your goal | Anxiety: Selank | 3 weeks ago |
| PT-141 vs Oxytocin: Which Peptide Is Better for Libido? | PT-1415.0+ vs Oxytocin6.5+ | One clear winner | Social Bonding: Oxytocin | 3 weeks ago |
| PT-141 vs Melanotan II: Which Peptide Is Better for Libido? | PT-1415.0+ vs Melanotan II4.5+ | One clear winner | Mood: PT-141 | 3 weeks ago |
| MOTS-c vs SS-31: Which Peptide Wins for Mitochondrial Health? | MOTS-c6.5+ vs SS-316.0+ | Depends on your goal | Mitochondrial: SS-31 | 3 weeks ago |
| Melanotan I vs Melanotan II: Which Peptide Is Safer for Tanning? | Melanotan I6.0+ vs Melanotan II4.5+ | One clear winner | Skin & Beauty: Melanotan I | 3 weeks ago |
| Gonadorelin vs Kisspeptin-10: Which Peptide Wins for Fertility? | Gonadorelin6.0+ vs Kisspeptin-106.0+ | One clear winner | Fertility & Male: Kisspeptin-10 | 3 weeks ago |
| GHRP-2 vs GHRP-6: Which Peptide Is Better for Fat Loss? | GHRP-25.5+ vs GHRP-65.0+ | Depends on your goal | Body Composition: GHRP-2 | 3 weeks ago |
| Epitalon vs Pinealon: Which Peptide Is Better for Sleep? | Epitalon6.5+ vs Pinealon6.0+ | Depends on your goal | Sleep Quality: Epitalon | 3 weeks ago |
| Dihexa vs Semax: Which Peptide Is Better for Memory and Focus? | Dihexa4.0+ vs Semax7.0+ | One clear winner | Cognition & Focus: Semax | 3 weeks ago |
| Dihexa vs PE-22-28: Which Peptide Is Better for Memory? | Dihexa4.0+ vs PE-22-284.5+ | Depends on your goal | Memory: Dihexa | 3 weeks ago |
| CJC-1295 vs Tesamorelin: Which Peptide Is Better for Fat Loss? | CJC-12955.5+ vs Tesamorelin6.0+ | One clear winner | Body Composition: Tesamorelin | 3 weeks ago |
| Cerebrolysin vs Semax: Which Peptide Is Better for Brain Repair? | Cerebrolysin6.0+ vs Semax7.0+ | Depends on your goal | Cognition & Focus: Semax | 3 weeks ago |
| Cerebrolysin vs P-21: Which Peptide Is Better for Brain Repair? | Cerebrolysin6.0+ vs P215.0+ | One clear winner | TBI: Cerebrolysin | 3 weeks ago |
| BPC-157 vs KPV: Which Peptide Is Better for Gut Healing? | BPC-1577.5+ vs KPV7.0+ | One clear winner | Gut Health: BPC-157 | 3 weeks ago |
| AOD-9604 vs Ipamorelin: Which Peptide Is Better for Fat Loss? | AOD-96043.0+ vs Ipamorelin6.0+ | One clear winner | Recovery & Repair: Ipamorelin | 3 weeks ago |
| AHK-Cu vs GHK-Cu: Which Peptide Is Better for Skin? | AHK-Cu6.5+ vs GHK-Cu7.0+ | One clear winner | Skin & Beauty: GHK-Cu | 3 weeks ago |
| BPC-157 vs TB-500: Which Peptide Is Better for Injury Recovery? | BPC-1577.5+ vs TB-5007.5+ | Depends on your goal | Injury Recovery: BPC-157 | 2 weeks ago |
| Testosterone Boosters Ranked by Evidence (2026) | Top 3: TRT, Shilajit, Tongkat Ali | Category ranking 8 ranked | — | 3 weeks ago |
| Growth Hormone Peptides Ranked: Which Ones Actually Work? | Top 3: Tesamorelin, CJC-1295, Sermorelin | Category ranking 9 ranked | — | 3 weeks ago |
| Zone 2 Cardio vs Norwegian 4×4: Which Builds VO2 Max? | Zone 2 Cardio8.0+ vs Norwegian 4×48.0+ | Depends on your goal | Mitochondrial: Zone 2 Cardio | 3 weeks ago |
| Urolithin A vs NAD+: Which Is Better for Longevity? | Urolithin A6.5+ vs NAD+5.0+ | One clear winner | Mitochondrial: Urolithin A | 3 weeks ago |
| Urolithin A vs CoQ10: Which Is Better for Energy? | Urolithin A6.5+ vs Coenzyme Q107.0+ | One clear winner | Cardiovascular: Coenzyme Q10 | 3 weeks ago |
| TUDCA vs Taurine: Which Is Better for Your Liver? | TUDCA6.5+ vs Taurine8.0+ | One clear winner | Metabolic Health: Taurine | 3 weeks ago |
| TUDCA vs NAC: Which Is Better for Your Liver? | TUDCA6.5+ vs NAC8.0+ | Depends on your goal | Liver Detox: NAC | 3 weeks ago |
| Traditional Sauna vs Infrared Sauna: Which Should You Buy? | Traditional Sauna7.5+ vs Infrared Sauna7.0+ | Depends on your goal | Cardiovascular: Traditional Sauna | 3 weeks ago |
| Tirzepatide vs Semaglutide: Which Is Better for Weight Loss? | Tirzepatide6.0+ vs Semaglutide6.0+ | Depends on your goal | Body Composition: Tirzepatide | 3 weeks ago |
| Taurine vs Glycine: Which Amino Acid Should You Take? | Taurine8.0+ vs Glycine7.5+ | Depends on your goal | Cardiovascular: Taurine | 3 weeks ago |
| Sulforaphane vs Glutathione: Which Is the Better Antioxidant? | Sulforaphane6.5+ vs Glutathione6.0+ | One clear winner | Antioxidant: Glutathione | 3 weeks ago |
| Spirulina vs Chlorella: Which Is Better for Detox? | Spirulina7.5+ vs Chlorella6.5+ | One clear winner | Cardiovascular: Spirulina | 3 weeks ago |
| Spermidine vs Urolithin A: Which Is Better for Longevity? | Spermidine7.5+ vs Urolithin A6.5+ | Depends on your goal | Autophagy: Spermidine | 3 weeks ago |
| Shilajit vs Ashwagandha: Which Is Better for Testosterone? | Shilajit7.0+ vs Ashwagandha6.5+ | Depends on your goal | Hormonal: Shilajit | 3 weeks ago |
| Sauna vs Cold Plunge: Which Is Better for Recovery? | Traditional Sauna7.5+ vs Cold Plunge5.5+ | Depends on your goal | Cardiovascular: Traditional Sauna | 3 weeks ago |
| Retatrutide vs Tirzepatide: Which Is Better for Weight Loss? | Retatrutide5.5+ vs Tirzepatide6.0+ | One clear winner | Body Composition: Tirzepatide | 3 weeks ago |
| Red Light Therapy vs Infrared Sauna: Which Should You Buy? | Red Light Therapy7.5+ vs Infrared Sauna7.0+ | Depends on your goal | Skin & Beauty: Red Light Therapy | 3 weeks ago |
| Rapamycin vs Metformin: Which Is Better for Longevity? | Rapamycin6.5+ vs Metformin6.5+ | One clear winner | Longevity: Rapamycin | 3 weeks ago |
| PEMF vs Red Light Therapy: Which Is Better for Pain? | PEMF7.5+ vs Red Light Therapy7.5+ | One clear winner | Mitochondrial: Red Light Therapy | 3 weeks ago |
| NMN vs NR vs NAD+: Which Is Best for Raising NAD? | NMN6.0+ vs NR6.0+ vs NAD+5.0+ | Depends on your goal | Metabolic Health: NMN | 3 weeks ago |
| NAC vs Glutathione: Which Is Better for Your Liver? | NAC8.0+ vs Glutathione6.0+ | One clear winner | Liver Detox: NAC | 3 weeks ago |
| Metformin vs Berberine: Which Is Better for Blood Sugar? | Metformin6.5+ vs Berberine6.5+ | Depends on your goal | Blood Sugar: Metformin | 3 weeks ago |
| Magnesium vs Melatonin: Which Is Better for Sleep? | Magnesium8.5+ vs Melatonin7.5+ | One clear winner | Mood: Magnesium | 3 weeks ago |
| Lion’s Mane vs Mushroom Blends: Which Is Better for Focus? | Lion’s Mane7.0+ vs Adaptogenic Mushrooms5.0+ | Depends on your goal | Cognition & Focus: Lion’s Mane | 3 weeks ago |
| Lactoferrin vs Colostrum: Which Is Better for Immunity? | Lactoferrin7.0+ vs Colostrum6.5+ | One clear winner | Skin & Beauty: Lactoferrin | 3 weeks ago |
| Kisspeptin-10 vs TRT: Which Is Better for Low Testosterone? | Kisspeptin-106.0+ vs TRT5.5+ | One clear winner | Hormonal: TRT | 3 weeks ago |
| HBOT vs Red Light Therapy: Which Is Better for Recovery? | Hyperbaric Oxygen Therapy5.5+ vs Red Light Therapy7.5+ | One clear winner | Skin & Beauty: Red Light Therapy | 3 weeks ago |
| HBOT vs Ozone Therapy: Which Is Better for Pain Relief? | Hyperbaric Oxygen Therapy5.5+ vs Ozone Therapy5.0+ | Depends on your goal | Acute Pain: Ozone Therapy | 3 weeks ago |
| Whey Protein vs Collagen Peptides: Which Should You Take? | Grass-Fed Whey Protein8.0+ vs Collagen Peptides7.0+ | Depends on your goal | Muscle Growth: Grass-Fed Whey Protein | 3 weeks ago |
| Glycine vs Magnesium: Which Is Better for Sleep? | Glycine7.5+ vs Magnesium8.5+ | One clear winner | Cardiovascular: Magnesium | 3 weeks ago |
| Exogenous Ketones vs Ketogenic Diet: Which Burns More Fat? | Exogenous Ketones5.5+ vs Ketogenic Diet6.5+ | One clear winner | Body Composition: Ketogenic Diet | 3 weeks ago |
| Curcumin vs Quercetin: Which Is Better for Inflammation? | Curcumin5.5+ vs Quercetin6.5+ | Depends on your goal | Bone & Joint: Curcumin | 3 weeks ago |
| CoQ10 vs Methylene Blue: Which Is Better for Energy? | Coenzyme Q107.0+ vs Methylene Blue6.0+ | One clear winner | Mitochondrial: Methylene Blue | 3 weeks ago |
| Colostrum vs Collagen Peptides: Which Should You Buy? | Colostrum6.5+ vs Collagen Peptides7.0+ | One clear winner | Skin & Beauty: Collagen Peptides | 3 weeks ago |
| C15 vs Omega-3: Which Is Better for Heart Health? | C153.0+ vs Omega-36.5+ | Depends on your goal | Prenatal (Maternal & Fetal Outcomes): Omega-3 | 3 weeks ago |
| Bromantane vs Phenylpiracetam: Which Is Better for Energy? | Bromantane7.0+ vs Phenylpiracetam5.5+ | One clear winner | Energy: Bromantane | 3 weeks ago |
| Bromantane vs Modafinil: Which Is Better for Focus? | Bromantane7.0+ vs Modafinil5.5+ | Depends on your goal | Energy: Modafinil | 3 weeks ago |
| Berberine vs Semaglutide: Which Is Better for Weight Loss? | Berberine6.5+ vs Semaglutide6.0+ | Depends on your goal | Body Composition: Semaglutide | 3 weeks ago |
| Ashwagandha vs Tongkat Ali: Which Is Better for Testosterone? | Ashwagandha6.5+ vs Tongkat Ali6.5+ | Depends on your goal | Hormonal: Tongkat Ali | 3 weeks ago |
| Ashwagandha vs L-Theanine: Which Is Better for Stress? | Ashwagandha6.5+ vs L-Theanine7.5+ | One clear winner | Cognition & Focus: L-Theanine | 3 weeks ago |
| Apigenin vs Melatonin: Which Is Better for Sleep? | Apigenin5.5+ vs Melatonin7.5+ | One clear winner | Sleep Quality: Melatonin | 3 weeks ago |
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