Nutrition
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Trustworthy nutrition information: the Dietary Guidelines, food and nutrient databases, how to read a Nutrition Facts label, supplement facts and testing, vitamin stores, and tracking apps. Supplements are not approved by FDA before they are sold, so look for third-party testing, and talk with your doctor or pharmacist before you start one, especially if you take medicine, are pregnant or are managing a health condition. Stores and apps below are commercial.
More on webcentive: organic food | food links | healthcare | health and beauty
Each site has quick lookups: who owns it (whois), its history (Wayback Machine), a safety check, and one-tap questions to AI helpers. Grok asks you to tap Send first.
Links last checked Oct 15, 2026.
| Site | whois | history | safety | sitesearch | Google AI Mode | Grok | Bing AI | |
|---|---|---|---|---|---|---|---|---|
| Government and nonprofit guidance (start here) | ||||||||
| cdc.gov - CDC: nutrition | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| dietaryguidelines.gov - Dietary Guidelines for Americans | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| eatright.org - Academy of Nutrition and Dietetics: find a registered dietitian | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| fda.gov - FDA: how to read the Nutrition Facts label | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| fdc.nal.usda.gov - USDA FoodData Central: nutrients in foods | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| medlineplus.gov - MedlinePlus: nutrition (National Library of Medicine) | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| nutrition.gov - Nutrition.gov (USDA) | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| nutritionsource.hsph.harvard.edu - Harvard T.H. Chan School of Public Health: The Nutrition Source | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| ods.od.nih.gov - NIH Office of Dietary Supplements: vitamin and supplement fact sheets | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Supplement safety and testing | ||||||||
| consumerlab.com - ConsumerLab: independent supplement tests (subscription) | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| fda.gov (supplements) - FDA: dietary supplements, warnings and recalls | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| ftc.gov - FTC: health claims in advertising | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| nsfsport.com - NSF Certified for Sport: tested supplements | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Vitamin and supplement stores (commercial) | ||||||||
| iherb.com - iHerb | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| naturesbounty.com - Nature's Bounty | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| vitaminshoppe.com - The Vitamin Shoppe | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| vitaminworld.com - Vitamin World | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| Tracking and healthy recipes | ||||||||
| cronometer.com - Cronometer: nutrient tracking app | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| foodnetwork.com - Food Network: healthy recipes (foodtv.com now goes here) | whois | history | safety | search | AI Mode | Grok | Bing AI | |
| myfitnesspal.com - MyFitnessPal: calorie and food tracking | whois | history | safety | search | AI Mode | Grok | Bing AI | |
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