Research & source-review status
SuppSafety is honest about what has and hasn't been checked against reputable sources (NIH ODS, NCCIH, MedlinePlus, Mayo Clinic, FDA/FTC, peer-reviewed reviews). This page is our live backlog: every supplement's review state and exactly what is still missing. We never invent citations — if a source isn't verified, the page says “needs evidence review.”
Why source review matters
Supplement research is often limited or mixed, and a lot of what gets repeated online isn't traceable to a reputable source. We only show dose, upper-limit, and detailed safety notes on a page after checking them against authoritative references — and we mark everything else “needs evidence review” rather than guessing. This page shows exactly where we are. Spot something wrong or missing? Suggest or report it →
Next up for review
A prioritized queue of needs-review items — safety-relevant ones first (medication, bleeding, liver, thyroid, kidney, upper-limit).
Browse the backlog
Acacia Fiber
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- acacia gum arabic prebiotic human trial
- soluble fiber medication absorption spacing guidance
Alpha-Lipoic Acid (ALA)
Partially reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- alpha lipoic acid blood sugar medication interaction review
- alpha lipoic acid supplementation randomized trial outcomes
- alpha lipoic acid empty stomach absorption evidence
Apple Fiber
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- apple pectin digestive health human study
- pectin fiber cholesterol evidence review
Artichoke Leaf Extract
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Queries to run:
- artichoke leaf extract cholesterol randomized trial review
- artichoke extract gallstones bile duct caution
Asian Ginseng (Panax)
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- Panax ginseng blood glucose diabetes randomized trial
- Asian ginseng cognitive function fatigue systematic review
Astaxanthin
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- astaxanthin skin photoprotection human trial
- astaxanthin supplementation safety review
Bacopa Monnieri
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Beetroot / Dietary Nitrate
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Berberine
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes
Queries to run:
- berberine blood glucose meta-analysis study quality
- berberine drug interactions CYP metabolism
- berberine lipids human trial evidence
Beta-Alanine
Source-reviewed — last reviewed 2026-07-03
Missing: interaction / caution review; lab-monitoring notes
Queries to run:
- beta-alanine carnosine high-intensity performance meta-analysis
- beta-alanine paresthesia dose threshold split dosing
Biotin (Vitamin B7)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Boron
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- boron supplementation bone health human evidence
- boron tolerable upper intake level adults
Branched-Chain Amino Acids (BCAA)
Source-reviewed — last reviewed 2026-07-03
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Queries to run:
- BCAA versus whole protein muscle protein synthesis evidence
- BCAA supplementation exercise recovery meta-analysis
Cacao Powder
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- cocoa flavanols cardiovascular outcomes randomized trial
- cacao theobromine caffeine content sensitivity
Caffeine
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Calcium
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Casein Protein
Source-reviewed — last reviewed 2026-07-03
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Queries to run:
- casein versus whey protein muscle protein synthesis evidence
- pre-sleep casein protein overnight recovery trial
Ceylon Cinnamon
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- ceylon cinnamon blood glucose human trial
- cassia versus ceylon cinnamon coumarin content liver
Chitosan
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Queries to run:
- chitosan fat binding weight human trial evidence
- chitosan shellfish allergy caution
- chitosan fat-soluble vitamin absorption
Chromium
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- chromium picolinate glycemic control meta-analysis
- chromium supplement kidney liver case reports
Citicoline (CDP-Choline)
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- citicoline cognition attention randomized controlled trial
- citicoline CDP-choline side effects tolerability
Citrulline
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Queries to run:
- citrulline malate exercise performance systematic review
- L-citrulline safety human trials
Coenzyme Q10 (CoQ10)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Collagen Peptides
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Copper
Source-reviewed — last reviewed 2026-07-03
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes
Queries to run:
- copper zinc balance long-term supplementation
- copper tolerable upper intake level adults
Cranberry
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- cranberry proanthocyanidins recurrent UTI meta-analysis
- cranberry warfarin interaction evidence
Creatine Monohydrate
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Echinacea
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- echinacea cold prevention meta-analysis effect size
- echinacea allergic reaction Asteraceae cross-reactivity
Elderberry
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- elderberry upper respiratory infection randomized trial
- Sambucus nigra cyanogenic glycoside raw berry toxicity
Extra Virgin Olive Oil
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- extra virgin olive oil Mediterranean diet cardiovascular outcomes trial
- olive oil polyphenols evidence review
Fenugreek
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- fenugreek type 2 diabetes blood glucose trial quality
- fenugreek allergy cross-reactivity legume
Garlic
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- garlic supplement LDL cholesterol meta-analysis
- garlic bleeding risk surgery anticoagulant case reports
Ginger
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- ginger nausea meta-analysis human trial
- ginger blood glucose blood thinning interaction
Ginkgo Biloba
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- ginkgo biloba GEM study dementia prevention outcome
- ginkgo bleeding anticoagulant interaction evidence
Glucosamine & Chondroitin
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Glycine
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
GlyNAC (Glycine + NAC)
Partially reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- GlyNAC randomized controlled trial glutathione older adults PMID
- glycine N-acetylcysteine combination human outcomes systematic review
Green Tea Extract (EGCG)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes
Queries to run:
- green tea extract EGCG liver safety review
- green tea extract with food versus fasted hepatotoxicity
Inulin (Jerusalem Artichoke Fiber)
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- inulin FOS prebiotic gut microbiome randomized trial
- inulin gas bloating dose tolerance study
Iodine
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes
Queries to run:
- iodine intake thyroid function too much too little
- kelp seaweed iodine content variability contamination
- iodine thyroid medication interaction caution
L-Theanine
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Lion's Mane Mushroom
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Lutein + Zeaxanthin
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Queries to run:
- AREDS2 lutein zeaxanthin beta-carotene replacement smokers rationale
- lutein zeaxanthin normal vision healthy adults trial
Magnesium Citrate
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Magnesium L-Threonate
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; verified citations
Queries to run:
- magnesium L-threonate cognition human randomized trial
- magnesium L-threonate elemental magnesium content comparison
Manganese
Source-reviewed — last reviewed 2026-07-03
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Queries to run:
- manganese dietary adequacy supplementation need
- manganese excess neurological effects chronic high intake
MCT Oil
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- MCT oil energy metabolism randomized trial evidence
- MCT oil gastrointestinal side effects dose
Melatonin
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Milk Thistle
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- silymarin liver disease randomized trial outcomes
- milk thistle supplement label accuracy contamination
Multivitamin (Broad-Spectrum)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Queries to run:
- multivitamin health outcomes large cohort randomized evidence
- multivitamin nutrient upper limit stacking multiple supplements
N-Acetylcysteine (NAC)
Partially reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Niacinamide
Source-reviewed — last reviewed 2026-07-03
Missing: evidence summary; source-reviewed dose notes
Queries to run:
- niacinamide skin health human evidence
- niacinamide high dose liver safety
- niacinamide versus niacin flushing difference
Nicotinamide Riboside
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- nicotinamide riboside NAD+ human randomized trial outcomes
- nicotinamide riboside safety long-term evidence
Omega-3 Fish Oil (EPA/DHA)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes
Pantethine
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Queries to run:
- pantethine lipid profile randomized trial
- pantethine statin combination interaction evidence
Phytosterols
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Queries to run:
- phytosterols plant sterols LDL cholesterol evidence
- plant sterols carotenoid absorption reduction
Policosanol
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Queries to run:
- policosanol cholesterol independent replication randomized trial
- policosanol platelet aggregation interaction
Potassium
Source-reviewed — last reviewed 2026-07-03
Missing: evidence summary; source-reviewed dose notes
Queries to run:
- potassium supplement kidney function caution
- potassium ACE inhibitor ARB potassium-sparing diuretic interaction
- potassium OTC 99 mg cap United States
Probiotics
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Psyllium Husk Fiber
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Pterostilbene
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- pterostilbene human trial healthy aging
- pterostilbene LDL cholesterol dose effect study
Resveratrol
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Queries to run:
- resveratrol human clinical trial outcomes versus preclinical
- resveratrol bioavailability limitations
- resveratrol bleeding blood thinner interaction
Rhodiola Rosea
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Saw Palmetto
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- saw palmetto BPH randomized trial 2023 review
- saw palmetto bleeding risk case reports surgery
Selenium
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; interaction / caution review
Sodium (Electrolyte)
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Queries to run:
- sodium electrolyte replacement endurance exercise evidence
- sodium intake blood pressure guidance
St. John's Wort
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- St John's wort drug interaction CYP3A4 P-glycoprotein induction
- St John's wort serotonin syndrome antidepressant case reports
Taurine
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- taurine supplementation exercise performance meta-analysis
- taurine cardiovascular human trial evidence
- taurine sleep relaxation evidence
Trace Mineral Complex
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- trace mineral supplement evidence general health
- combined mineral intake multivitamin overlap
Trimethylglycine (TMG)
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- trimethylglycine betaine homocysteine human trial
- betaine anhydrous exercise performance evidence
Turmeric / Curcumin
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Uridine Monophosphate
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Queries to run:
- uridine monophosphate cognition human trial
- uridine choline omega-3 combination memory evidence
Valerian
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- valerian insomnia randomized controlled trial evidence
- valerian sedative interaction alcohol benzodiazepine
Vitamin A
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- preformed vitamin A upper limit toxicity evidence
- beta-carotene supplementation smokers lung cancer trials
Vitamin B-Complex
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes; verified citations
Vitamin B12 (Cobalamin)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; interaction / caution review
Vitamin B6
Source-reviewed — last reviewed 2026-07-03
Missing: source-reviewed dose notes; lab-monitoring notes
Queries to run:
- vitamin B6 sensory neuropathy dose threshold duration
- vitamin B6 PMS nausea pregnancy evidence review
Vitamin C (Ascorbic Acid)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; interaction / caution review; lab-monitoring notes
Vitamin D3 (Cholecalciferol)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes
Vitamin E
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Vitamin K2 (Menaquinone)
Source-reviewed — last reviewed 2026-07-02
Missing: source-reviewed dose notes; lab-monitoring notes
Vitamin K2 (MK-4)
Needs evidence review
Missing: evidence summary; source-reviewed dose notes; lab-monitoring notes; verified citations
Queries to run:
- menaquinone-4 MK-4 bone density trial evidence
- vitamin K2 warfarin interaction guidance
Whey Protein
Source-reviewed — last reviewed 2026-07-03
Missing: evidence summary; source-reviewed dose notes; interaction / caution review; lab-monitoring notes