High Protein Recipes is a small independent recipe and nutrition-tools site operated by Gesmine-Invest Limited (UK company number 14120136). Recipes and tools are produced and maintained by the site's editorial team — there is no sponsored content and no paid placement in the calculator results.
The recipe calorie calculator and the per-food pages use USDA FoodData Central, SR Legacy release — a fixed reference dataset last revised in 2018. Ingredient amounts are converted to grams using each food's own USDA portion weights. The full arithmetic is published on the calculator page under “How the numbers are calculated”. Every figure on the site is an estimate and is not a substitute for advice from a registered dietitian or doctor.
If a food match or a portion weight looks wrong, the calculator's transparency panel lets you swap it on the spot. Structural errors can be reported through the site's GitHub repository, linked in the footer.