Nutrition Studio
Personalized meal plans that never leave your browser
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Nutrition Studio - Personalized meal plans that never leave your browser

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Nutrition Studio is a personalized diet plan generator, macro calculator, weekly meal planner, and grocery list builder — all calculated entirely in your browser. Answer a few questions (age, activity level, goal, diet type, allergies) and get a full day of balanced meals with complete macros. Supports 16 diet types (vegetarian, vegan, keto, Jain, halal, kosher, and more) across 14 cuisines. Exclude a food and the Smart Replacement No login, no uploads — your health data never touches a server.

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Hey Product Hunt! 👋 Most "free" diet plan tools ask for your age, weight, health goals, and food preferences — then send all of it to a server before showing you anything. That felt like a strange amount of trust to ask for over what to eat this week. So I built Nutrition Studio: everything runs client-side using the Mifflin-St Jeor equation, and your plan only ever lives in your browser's local storage. Clear your browser data and it's gone — there's nowhere else to delete it from. The part I'm most proud of is the Smart Replacement Engine — exclude a food (say, chicken) and instead of leaving a gap, it suggests nutritionally similar swaps (paneer, tofu, tempeh, eggs) matched on calories, protein, carbs, and fat. Would love your feedback, especially on diet-type edge cases — Jain and low-FODMAP support are next on my list. Try it free, no signup: