Tools • Education only

Free bariatric and metabolic tools.

Educational calculators and guides built on published clinical guidance from ASMBS, Obesity Canada, and ISSN. Use these as a starting point — always follow the personalised target your bariatric team, dietitian, or prescriber has given you.

Educational tools, not medical advice. The tools on this page provide general educational estimates from published guidelines. They are not personalised nutrition advice, diagnosis, prescription, or emergency care. Always follow your bariatric team’s personalised guidance, and call your local emergency number for urgent symptoms.

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Protein target calculator

For LSG, RYGB, SADI-S, LAGB, BPD-DS • GLP-1 • long-term

Estimate a daily protein range tailored to your biological sex, height, weight, primary goal, bariatric procedure, post-op stage, and appetite. Accounts for ASMBS post-op minimums, stomach-capacity caps, and GLP-1 appetite reduction.

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Hydration target calculator

Daily fluid targets • sip schedule • post-op rules

Daily fluid target tailored to your weight, procedure, post-op stage, activity, climate, and GLP-1 status. Returns a daily mL/oz target plus a 15-minute sip target and post-op sipping rules.

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Supplement checklist

ASMBS 2016 / 2019 micronutrient guidelines

Procedure-specific micronutrient checklist (multivitamin, calcium, D, B12, iron, A, E, K, zinc, copper, folate, thiamin) with doses tuned to your procedure, sex, and life stage. Print-friendly.

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