Why We Built This Site
When Shady started researching his own protein intake after leaving the military, he found the same problem everywhere: generic calculators with no explanation, blog posts full of contradictions, and supplement brands pushing products disguised as advice.
He spent months studying research from the American College of Sports Medicine (ACSM), the International Society of Sports Nutrition (ISSN), and peer-reviewed studies indexed on PubMed. Then he built the tools he wished had existed — calculators that are transparent about their formulas, backed by real science, and free to use.
CalculatorProtein.com launched with one goal: to be the most accurate, most trustworthy protein calculator resource on the internet.
What Makes Our Calculators Different
Most protein calculators online use a single formula for everyone. Ours are built differently. Each calculator accounts for the factors that actually matter:
- Body weight and composition — not just total weight, but lean mass where relevant
- Activity level — sedentary, lightly active, athlete, or competitive bodybuilder
- Specific goal — muscle gain, fat loss, weight maintenance, or general health
- Age and gender — protein needs shift significantly across life stages
- Special conditions — pregnancy, senior health, vegetarian and vegan diets
Every result comes with a plain-English explanation of what the number means and how to reach it through real food — not just supplements.
Our Editorial Standards
Every article and calculator on this site is written or reviewed by Shady Elbody and cross-referenced against published nutritional research. We follow a strict editorial process:
- All recommendations are based on peer-reviewed research or established guidelines (ACSM, ISSN, WHO, RDA)
- We cite sources directly — every major claim links to its research origin
- We update content regularly as new studies are published
- We never accept payment to change or bias our recommendations
- Affiliate relationships are clearly disclosed and do not influence our content
Primary research sources we use:
- American College of Sports Medicine (ACSM) – Position Stands on Nutrition and Exercise
- International Society of Sports Nutrition (ISSN) – Protein and Exercise Position Paper
- National Institutes of Health (NIH) – Dietary Reference Intakes
- PubMed-indexed peer-reviewed journals
- World Health Organization (WHO) – Protein and Amino Acid Requirements
Who This Site Is For
- Athletes and bodybuilders — optimise protein for performance and recovery
- People losing weight — protect muscle while in a calorie deficit
- Beginners — understand the basics without being overwhelmed
- Vegetarians and vegans — find complete protein from plant sources
- Seniors — meet higher protein needs to prevent muscle loss with age
- Dietitians and coaches — use our tools as a starting reference for clients
A Note on Medical Advice
CalculatorProtein.com provides general nutritional information and estimation tools. Our content is not a substitute for professional medical or dietary advice. If you have a health condition, are pregnant, or are under medical supervision, always consult a qualified healthcare professional before changing your diet. See our full Disclaimer for details.
Get in Touch
Have a question, found an error, or want to collaborate? We read every message. Reach out via our Contact Page and we’ll get back to you within 48 hours.
👉 Ready to find your number? Use our free protein intake calculator and get your personalised daily target in under 60 seconds.
