Articles
Supplement research translated into decisions you can actually use.
Systematic Evidence Reviews
Creatine for Strength and Muscle Performance
Fish Oil for Cardiovascular Health: A Systematic Evidence Review
Melatonin for Sleep: A Systematic Evidence Review
Garlic for Cardiovascular Health: A Systematic Evidence Review
CoQ10 for Heart Failure: A Systematic Evidence Review
Green Tea for Metabolic Health: A Systematic Evidence Review
Resveratrol for Metabolic and Cardiovascular Health: A Systematic Evidence Review
Berberine for Metabolic Health: A Systematic Evidence Review
Rhodiola for Fatigue and Physical Performance
Ashwagandha for Sleep: A Systematic Evidence Review
Ginkgo Biloba for Cognitive Impairment and Dementia: A Systematic Evidence Review
Glucosamine for Joint Health: A Systematic Evidence Review
Iron for Cognitive Function: A Systematic Evidence Review
Rankings
Best Supplements for Deep, Restful Sleep (2026)
Evidence-ranked sleep supplements from 5,887 clinical trials across 546 ingredients. Melatonin, ashwagandha, saffron, magnesium, valerian, and theanine — what works and what doesn't.
6 ranked · 17 outcomes · 5887 trials
Best Supplements for Skin Hydration, Ranked by Clinical Evidence
Collagen peptides top our evidence-ranked list of skin hydration supplements, backed by 13 trials and three meta-analyses. Oral HA and astaxanthin follow.
3 ranked · 3 outcomes · 29 trials
Best Supplements for Testosterone, Ranked by Evidence
Tongkat Ali tops our evidence-ranked list of testosterone supplements, followed by ashwagandha. We scored 23 supplements across 40 trials. See which ones work.
7 ranked · 1 outcomes · 40 trials
The 7 Supplements That Actually Help You Catch Fewer Colds
Echinacea purpurea tops our evidence-ranked list of cold-prevention supplements, followed by vitamin C and vitamin D. We scored 20 supplements across 31 trials.
7 ranked · 4 outcomes · 31 trials
Best Supplements for Neuropathy, Ranked by Clinical Evidence
Alpha-lipoic acid leads our evidence-ranked list of neuropathy supplements, with B12 and PEA as targeted options. Based on 16 clinical trials.
3 ranked · 6 outcomes · 16 trials
Best Supplements to Fall Asleep Faster, Ranked by Clinical Evidence
Melatonin leads our evidence-ranked list for falling asleep faster, followed by ashwagandha and valerian. We reviewed 65 trials so you don't have to.
4 ranked · 4 outcomes · 65 trials
Best Supplements for Arthritis and Joint Pain, Ranked by Clinical Evidence
Turmeric leads the evidence for arthritis pain relief. We scored 39 supplements across 73 trials to rank what actually works for joint pain and stiffness.
9 ranked · 5 outcomes · 73 trials
Best Supplements for Brain Fog and Mental Clarity, Ranked by Evidence
Curcumin tops our evidence-ranked list of supplements for brain fog and mental clarity. We scored 97 supplements across 194 trials to find the 4 that actually work.
4 ranked · 10 outcomes · 194 trials
Best Supplements for Depression, Ranked by Clinical Evidence
Omega-3 (EPA) tops our evidence-ranked list of 77 depression supplements. Curcumin, magnesium, and St. John's Wort round out the top tier, backed by pooled trial data.
8 ranked · 3 outcomes · 130 trials
Best Supplements for Migraines and Headaches, Ranked by Clinical Evidence
Melatonin tops our evidence-ranked list of migraine supplements. We scored 29 supplements across 16 trials measuring headache frequency, severity, and duration.
4 ranked · 2 outcomes · 16 trials
Best Supplements for Fat Loss, Ranked by Clinical Evidence
Green tea extract tops our evidence-ranked list of fat loss supplements. We scored 70 supplements across 102 trials. Most popular fat burners don't work.
7 ranked · 4 outcomes · 102 trials
Best Supplements to Lower LDL and Total Cholesterol
Phytosterols top our evidence-ranked list of cholesterol supplements. We scored 166 supplements across 441 trials for LDL and total cholesterol.
6 ranked · 10 outcomes · 441 trials
Best Supplements for Blood Pressure, Ranked by Clinical Evidence
Lycopene tops our evidence-ranked list of blood pressure supplements, followed by taurine and quercetin. We scored 130 supplements across 311 endpoints.
9 ranked · 6 outcomes · 311 trials
Best Supplements for Anxiety, Ranked by Clinical Evidence
Lavender oil capsules (Silexan) top our evidence-ranked list of anxiety supplements — 6 picks backed by clinical trials, plus 5 popular options that don't hold up.
6 ranked · 2 outcomes · 83 trials
Best Supplements for Daily Stress Relief, Ranked by Clinical Evidence
Lavender oil (Silexan) tops our evidence-ranked list for daily stress, followed by ashwagandha and lemon balm. We analyzed 100 trials to find what actually works.
7 ranked · 4 outcomes · 100 trials
Best Supplements for Fatty Liver Disease (NAFLD), Ranked by Evidence
Berberine tops our evidence-ranked list of fatty liver supplements. 26 supplements scored across 29 trials measuring liver fat directly.
7 ranked · 1 outcomes · 29 trials
Best Supplements for Period Cramps, Ranked by Clinical Evidence
Fennel tops our evidence-ranked list of period cramp supplements. We scored 20 options across 17 dysmenorrhea trials to find what actually works.
7 ranked · 4 outcomes · 17 trials
Best Supplements to Stay Asleep Through the Night
Evidence-ranked supplements for staying asleep through the night. Omega-3 leads for reducing wake-ups, plus melatonin, ashwagandha, saffron, and valerian reviewed across 48 trials.
10 ranked · 3 outcomes · 48 trials
Best Supplements for Blood Sugar, Ranked by Clinical Evidence
Fenugreek tops our evidence-ranked list of blood sugar supplements, followed by inulin and green tea. We scored 152 supplements across 420 trial endpoints.
7 ranked · 4 outcomes · 420 trials
The 10 Best Supplements for Memory, Ranked by Evidence
Bacopa leads our evidence-ranked list of memory supplements, backed by multiple trials showing real improvements in recall and learning. See all 10 picks.
10 ranked · 12 outcomes · 148 trials
The 10 Supplements With Real Evidence for Faster Thinking
Theanine, turmeric, and bacopa top the evidence for faster thinking and quicker reactions. 70 supplements scored across 114 trials.
10 ranked · 7 outcomes · 114 trials
Ingredients
Bacopa
Bacopa is one of the few brain herbs that keeps surviving controlled trials for memory recall and thinking speed.[^1][^2] If you want a steadier brain instead of a flashy buzz, that's why this plant keeps getting attention.
16 papers · 48 outcomes
Ashwagandha
Ashwagandha stands out because it doesn't just move an obscure lab marker — in the better trials, people actually feel daily life get easier. Stress drops, sleep smooths out, and hard training stops wrecking you for as long.[^1][^2][^3][^4]
58 papers · 183 outcomes
Creatine
Creatine is the rare supplement that keeps winning after decades of testing. If you want more strength, more lean mass, and better bounce-back from hard training, it sits near the top of the evidence stack.[^1][^2][^3]
82 papers · 177 outcomes
CoQ10
CoQ10 matters because it sits right where your cells turn food into usable energy. That makes it one of the rare supplements that feels relevant across healthy aging, migraines, statin use, and cardiometabolic health—not because it does everything, but because it works at a very basic layer of how your body runs.
96 papers · 207 outcomes
Pterostilbene
Pterostilbene is the flashy resveratrol cousin that supplement brands love to hype—but the real story is more interesting than the marketing. Early human studies show legit signals for blood pressure and fasting glucose, while one cholesterol result goes the wrong way.
4 papers · 15 outcomes
Nattokinase
Nattokinase is one of those rare supplement stories that starts with a traditional food and lands in real human blood-pressure trials.[^3] The catch is what makes it interesting also makes it serious: once you start nudging clot cleanup, interactions stop being a minor detail.[^4][^5]
7 papers · 32 outcomes
Magnesium
You hear magnesium pitched as the answer to sleep, stress, workouts, and mood all at once. What's actually interesting is that the strongest human evidence lands on something less flashy: magnesium shows a real effect on low-grade inflammation, then stacks smaller but useful benefits for constipation, blood pressure, and insulin response on top.[^3]
75 papers · 157 outcomes
Melatonin
Melatonin isn't sleep in a bottle. It's the timestamp your body reads to know when night starts — and when that signal lands at the right moment, you fall asleep faster and jet lag hurts a lot less.
108 papers · 213 outcomes
Resveratrol
Resveratrol is the red-wine molecule that got famous for longevity, but the human story is a lot more grounded: it earns its keep far better on blood sugar than on anti-aging hype.
66 papers · 152 outcomes
Saffron
Saffron isn't just an expensive spice. In human trials, this tiny red thread keeps landing where a lot of supplements miss: PMS symptoms, staying asleep, and even some pain outcomes actually move in the right direction.[^4][^5][^6]
71 papers · 161 outcomes
Turmeric
Turmeric is what happens when a kitchen spice keeps showing up in joint, gut, liver, and focus trials—and actually delivers in some of them.[^2][^4][^5][^6] The surprise: its clearest wins are not vague 'wellness' promises; they're pain-heavy joints, IBS symptoms, and inflammation-loaded metabolic problems.[^2][^3][^4]
112 papers · 200 outcomes
Vitamin D
Vitamin D sounds like a boring bone nutrient until you realize half your body checks in with it. It works more like a full-body status signal for calcium balance, immune defense, and muscle function than a one-job vitamin.
126 papers · 175 outcomes