Skip to content

Nutrition & Diet APIs

Welcome to the Nutrition & Diet section of Health Fitness API – designed for diet tracking apps, nutrition planning tools, meal prep platforms, and wellness solutions.

Gain access to real-time nutrition calculations, macro & micronutrient analysis, hydration planning, and diet optimization strategies to help users meet their health goals.

Key Features

  • Macro Calculators: Protein, carbs, net carbs, fat intake, keto macros, fiber.
  • Meal & Timing Guidance: Meal calorie calculator, meal timing, macro cycling, reverse diet plans.
  • Micronutrient Tracking: Daily vitamins, micronutrient risk analysis, sodium intake monitoring.
  • Hydration & Glycogen Support: Hydration planning and glycogen replenishment strategies.
  • Dietary Scoring: Weight Watchers points, SS intake calculations.
  • Multi-Language Support: Responses available in 8 languages (en, es, de, fr, pt, ja, hi, ar).
  • Enterprise-Grade Performance: Optimized for high-concurrency, low-latency production apps.

Available Endpoints

Endpoint Description
Protein Calculator API Calculate protein intake based on goal, activity, and body metrics.
Carbs Calculator API Determine carbohydrate requirements for energy and diet plans.
Net Carbs Calculator API Compute digestible carbs for low-carb or keto diets.
Keto Calculator API Plan macros for ketogenic diets.
Fat Intake Calculator API Calculate optimal fat intake for health or weight goals.
Fiber Calculator API Track daily fiber needs for digestive health.
Reverse Diet Plan API Guide gradual calorie increases after diet phases.
Macro Cycling API Plan daily or weekly macro variation for performance or aesthetics.
Meal Calorie Calculator API Calculate calories for meals based on ingredients and portions.
Meal Timing API Optimize meal timing for metabolic health and performance.
Micronutrient API Assess vitamin and mineral intake from diet.
Micronutrient Risk API Identify potential deficiencies or excesses.
Daily Vitamin API Track daily vitamin requirements.
Sodium in Salt API Convert salt intake to sodium content.
Hydration Plan API Recommend daily water intake based on activity and body metrics.
Weight Watchers Points API Calculate WW points for foods and meals.
SS Intake Calculator API Track SS intake for dietary compliance.
Glycogen Replenishment Plan API Plan post-exercise glycogen replenishment.

Why Use Nutrition & Diet APIs?

  • Precision Nutrition: Formulas based on clinical standards and validated methods.
  • Actionable Recommendations: Helps users meet macro, micronutrient, and hydration goals.
  • Multi-Language Friendly: Serve global audiences with localized outputs.
  • High Performance: Enterprise-grade infrastructure supports low-latency requests.
  • Integration Ready: Combine with Body Composition, Metabolism & Energy, and Diabetes endpoints for holistic health apps.

Quick Example – Protein Calculator API

curl -X GET "https://api.hefitapi.com/api/v1/protein-calculator?sex=male&age=34&height=178&weight=82&activity_level=very_active&unit=metric&lang=en" \
  -H "X-API-Key: YOUR_API_KEY"

Response Example

Info

The response example below is for demonstration purposes only. Make a live request to this endpoint to receive the full, real-time, and potentially richer JSON structure.

{
  "sex": "male",
  "age": 34.0,
  "height_cm": 178.0,
  "weight_kg": 82.0,
  "unit": "metric",
  "activity_level": "very_active",
  "tdee_kcal_per_day": 2949.41,
  "usda_protein_grams_range": [73.74, 221.21],
  "who_protein_grams": 68.06,
  "activity_target_protein_g": 131.2,
  "activity_target_g_per_kg": 1.6,
  "protein_band": "moderate",
  "protein_band_label": "Moderate",
  "distribution_guidance": ["Split protein across 3-5 meals"],
  "action_plan": ["Keep daily protein target consistent"],
  "quality_guardrails": ["Prioritize high-quality protein sources"],
  "_enterprise": {"client": "Acme Health", "plan": "pro", "request_id": "dad775e89ecac88f", "quota": 120, "usage_tracking": true},
  "_api_metadata_": {"endpoint_name": "protein_calculator", "response_language": "en"}
}

Next Steps

  1. Explore individual endpoints for detailed parameters, request examples, and responses.
  2. Combine with Body Composition, Metabolism & Energy, and Diabetes & Blood Sugar endpoints for full-spectrum wellness apps.
  3. Monitor usage and manage roles with the HefitAPI Dashboard.
  4. Leverage multi-language support for global reach.

Fuel your users with accurate nutrition insights, actionable diet plans, and hydration strategies – all via Health Fitness API.