How to Research Macronutrient Profiles with Claude
Research macronutrient profiles with Claude and ToolRouter. Find foods by protein, fat, and carb content.
Tool
Claude transforms macro research into an exploratory conversation. Start by comparing a few protein sources, then drill into the ones with the best ratio, ask about preparation methods that affect macros, and build a shortlist of foods that hit your targets. Each follow-up question refines your research without starting over.
Connect ToolRouter to Claude
1Go to Settings → Connectors → Add custom connector
2Enter the details below and click Add
Name
ToolRouterURL
https://api.toolrouter.com/mcp3Done — works on Claude chat, desktop, and mobile
Steps
Once connected (see setup above), use the Nutrition Data tool:
- Ask Claude: "Look up the macronutrient profile of chicken breast, tofu, and lentils using nutrition-data"
- Claude retrieves and compares the macros for each food
- Ask: "Which has the highest protein-to-calorie ratio?"
- Use the comparison to choose the best foods for your macro targets
Example Prompt
Try this with Claude using the Nutrition Data tool
Compare the protein, fat, and carb profiles of these foods per 100g: chicken breast, salmon, eggs, Greek yogurt, and tofu. Which is best for a high-protein, low-fat diet?
Tips
- Ask Claude to rank foods by specific macro ratios
- Request data per 100g for fair cross-food comparisons
- Build a shortlist of foods that meet your specific macro targets