{
  "name": "Verified Supplement Data API",
  "description": "Open, citation-backed supplement comparison data. Every endpoint returns product arrays with cost-per-dose calculations, clinical evidence summaries, and NIH DSLD cross-references.",
  "version": "1.0",
  "endpoints": [
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/magnesium-glycinate.json",
      "category": "magnesium-glycinate",
      "supplementForm": "Magnesium Glycinate (Bisglycinate)",
      "description": "Magnesium glycinate products compared by cost per 400mg clinical dose. Evidence for sleep, anxiety, muscle cramps."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/vitamin-d3.json",
      "category": "vitamin-d3",
      "supplementForm": "Vitamin D3 (Cholecalciferol)",
      "description": "Vitamin D3 products compared by cost per 4,000 IU dose. Evidence for bone health, immunity, depression."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/vitamin-b12.json",
      "category": "vitamin-b12",
      "supplementForm": "Vitamin B12 (Methylcobalamin / Cyanocobalamin)",
      "description": "Vitamin B12 products compared by cost per 1,000 mcg dose. Evidence for deficiency, neuropathy, cognition."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/calcium-citrate.json",
      "category": "calcium-citrate",
      "supplementForm": "Calcium Citrate",
      "description": "Calcium citrate products compared by cost per 600mg dose. Evidence for bone health, osteoporosis prevention."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/iron-bisglycinate.json",
      "category": "iron-bisglycinate",
      "supplementForm": "Iron Bisglycinate (Ferrous Bisglycinate Chelate)",
      "description": "Iron bisglycinate products compared by cost per 25mg dose. Evidence for anemia, fatigue, pregnancy."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/vitamin-c.json",
      "category": "vitamin-c",
      "supplementForm": "Vitamin C (Ascorbic Acid)",
      "description": "Vitamin C products compared by cost per 500mg dose. Evidence for immunity, collagen synthesis, iron absorption."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/coq10.json",
      "category": "coq10",
      "supplementForm": "Coenzyme Q10 (Ubiquinone / Ubiquinol)",
      "description": "CoQ10 products compared by cost per 200mg dose. Evidence for statin myopathy, heart health, migraine."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/omega-3.json",
      "category": "omega-3",
      "supplementForm": "Omega-3 Fatty Acids (EPA/DHA)",
      "description": "Omega-3 products compared by cost per 2,000mg EPA+DHA dose. Evidence for heart health, inflammation, mood."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/creatine.json",
      "category": "creatine",
      "supplementForm": "Creatine Monohydrate",
      "description": "Creatine products compared by cost per 5g dose. Evidence for strength, cognition, depression."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/methylfolate.json",
      "category": "methylfolate",
      "supplementForm": "L-Methylfolate (5-MTHF)",
      "description": "Methylfolate products compared by cost per 1,000 mcg dose. Evidence for MTHFR variants, depression, pregnancy."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/protein.json",
      "category": "protein",
      "supplementForm": "Protein Powder (Whey / Plant-Based)",
      "description": "Protein powder products compared by cost per serving. Evidence for muscle synthesis, recovery, body composition."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/collagen.json",
      "category": "collagen",
      "supplementForm": "Hydrolyzed Collagen Peptides",
      "description": "Collagen products compared by cost per 10g dose. Evidence for skin health, joint pain, bone density."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/biotin.json",
      "category": "biotin",
      "supplementForm": "Biotin (Vitamin B7)",
      "description": "Biotin products compared by cost per 5,000 mcg dose. Evidence for hair, nails, blood sugar."
    },
    {
      "url": "https://verifiedsupplementdata.com/api/supplements/multivitamin.json",
      "category": "multivitamin",
      "supplementForm": "Multivitamin / Multimineral Complex",
      "description": "Multivitamin products compared by cost per day. Evidence for nutrient gaps, cognitive aging, pregnancy."
    }
  ],
  "dataSources": {
    "productLabels": "NIH Dietary Supplement Label Database (DSLD) — https://dsld.od.nih.gov/",
    "clinicalEvidence": "PubMed / NCBI — https://pubmed.ncbi.nlm.nih.gov/",
    "qualityCertification": [
      "NSF International",
      "USP Verification Program"
    ],
    "pricing": "Amazon retail pricing (current as of data refresh)"
  },
  "lastUpdated": "2026-03-15",
  "license": "CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/",
  "source": "https://verifiedsupplementdata.com"
}