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English version in progress: interface and data are in English; some explanatory text is still in Chinese.

Supplement dose, mechanism and ownership on one page

We clean official label data line by line, convert it to comparable daily doses, and link every brand to the company and parent behind it. Every number links to its source.

108,170Products
196,394Comparable dose records
517Company profiles
10Data sources
111Ranked ingredients
20Mechanism animations
Multi-dimension compareUp to 4 products side by side: daily dose, % of DV and upper limit, data source, owner. Who's behind itBrand → company → parent → ultimate owner, each link sourced, with LEI and SEC identifiers. Transparent rankingsPublic scoring rules; expand any product to see its sub-scores. No paid placement. Animated mechanismsSee the path in the body: absorption, transport, site of action, limits. Dose toolEnter your dose and see % DV, distance to the upper limit and market percentile.

Animated mechanisms：Vitamin D

维生素 D 吃进去以后，要经过哪几步才起作用？ Skin / diet Liver Kidney Intestine Bone
1/5皮肤受 UVB 照射合成维生素 D，或从食物和补剂吸收。此时它还没有生物活性。
  1. 皮肤受 UVB 照射合成维生素 D，或从食物和补剂吸收。此时它还没有生物活性。
  2. 肝脏把它转化为 25(OH)D。血液检测看的就是这个指标。
  3. 肾脏再把 25(OH)D 转化为活性形式 1,25(OH)₂D（骨化三醇）。
  4. 活性形式促进小肠吸收钙和磷。
  5. 血钙、血磷维持在正常范围，骨骼才能正常矿化。

See all → · How it works (20)

Who's behind it

Example: how many companies stand behind one brand?

  1. Brand Nature's Way
  2. Company Nature's Way Brands, LLC
  3. Parent Schwabe North America, Inc. [source]
  4. Ultimate owner Dr. Willmar Schwabe GmbH & Co. KG [source]
Ownership graph →

Rankings

Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.

Vitamin CCalciumCoenzyme Q10GlucosamineFish oilVitamin DCollagen / collagen peptidesCreatineMagnesiumResveratrolZincGinseng (Panax / American / Siberian)

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Popular ingredients

Vitamin C8,730 productsCalcium6,925 productsVitamin B66,518 productsVitamin B126,218 productsMagnesium5,708 productsZinc5,642 productsVitamin D5,334 productsVitamin E5,249 productsVitamin B9 (folate)5,027 productsVitamin B3 (niacin)4,910 productsSodium4,696 productsVitamin B1 (thiamin)4,416 productsVitamin B2 (riboflavin)4,314 productsVitamin B5 (pantothenic acid)4,300 productsPotassium4,296 productsVitamin A4,134 products

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Dose tool · Cost calculator

Enter your dose and see % DV, distance to the upper limit and market percentile.

Enter price and dose to get cost per day, per 30 days and per 100 mg.

Cost calculator →
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.
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