# Best Health IQ > The peptide guide that states the evidence plainly. Profiles, protocols, reconstitution steps and a dosing calculator, each linked to published research. Prices are in USD for United States (tax added at checkout). Languages: en. Prices on pages are for the default country. For live prices and stock in another country, use the catalog API with `?country=`. ## Shop - [All products](https://besthealthiq.com/home/shop) ## Categories - [Blends & Combos](https://besthealthiq.com/home/categories/blends-combos) - [Cognitive & Neuro](https://besthealthiq.com/home/categories/cognitive-neuro) - [Hormone & GH](https://besthealthiq.com/home/categories/hormone-gh) - [Immune Support](https://besthealthiq.com/home/categories/immune-support) - [Longevity & Anti-Aging](https://besthealthiq.com/home/categories/longevity-anti-aging) - [Metabolic & Weight](https://besthealthiq.com/home/categories/metabolic-weight) - [Recovery & Repair](https://besthealthiq.com/home/categories/recovery-repair) ## Pages - [Calculator](https://besthealthiq.com/home/pages/calculator) - [Contact](https://besthealthiq.com/home/pages/contact) - [Disclaimer](https://besthealthiq.com/home/pages/disclaimer) - [Peptide COAs, Explained](https://besthealthiq.com/home/pages/coa) - [Peptide Guides](https://besthealthiq.com/home/pages/peptide-guides) - [Peptide Reconstitution and Dosing Guide](https://besthealthiq.com/home/pages/peptide-reconstitution-and-dosing-guide) - [Privacy Policy](https://besthealthiq.com/home/pages/privacy-policy) - [Protocols](https://besthealthiq.com/home/pages/protocols) - [Research Library](https://besthealthiq.com/home/pages/research) - [Terms of Use](https://besthealthiq.com/home/pages/terms-of-use) - [Video Resources](https://besthealthiq.com/home/pages/resources) ## Policies - [Terms and Conditions of Sale - United States](https://besthealthiq.com/legal-agreements/572335) - [Privacy Policy - United States](https://besthealthiq.com/legal-agreements/572336) - [Return and Refund Policy - United States](https://besthealthiq.com/legal-agreements/572337) - [Auto-Ship/Subscription Terms - United States](https://besthealthiq.com/legal-agreements/572338) - [Brand Partner Terms & Conditions - United States](https://besthealthiq.com/legal-agreements/572339) ## For agents - [UCP profile](https://besthealthiq.com/.well-known/ucp): Universal Commerce Protocol discovery, with catalog search and lookup. - [Catalog API](https://besthealthiq.com/api/v202604/products): JSON products with live prices and stock. `?q=` searches, `?country=` and `?lang=` set the market and language. - [Cart and checkout API](https://besthealthiq.com/api/checkout/v2026-04/carts): create a cart, add items, set the address and shipping, then complete checkout without a browser. - [Storefront API reference](https://storage.googleapis.com/fluid-public/docs/api/storefront-v2026-04.yaml) - [Checkout API reference](https://storage.googleapis.com/fluid-public/docs/api/checkout-v2026-04.yaml) - [Sitemap](https://besthealthiq.com/sitemap.xml): every public page - Every product, collection, category and page URL above also has a `.json` version with the same data. - Add `.md` to any product, collection, category, page or blog post URL, or open https://besthealthiq.com/home/shop.md, for a markdown version with live prices for `?country=`. Link shoppers to the HTML page, not the `.md` URL. - To send a shopper to a page, link its HTML URL as given. Keep any rep path (`/{rep}/...`) in it: the path carries the rep's attribution. ## Optional - [Blog](https://besthealthiq.com/home/blog)