Luma

Calories · Deficit · Exercise · Labs & GI

Track what you eat, stay within your goals, and get simple nudges for metabolic health—without the overwhelm.

Daily calorie & macro tracking — See eaten vs limit, protein/carbs/fat at a glance.
Steady deficit — Don't eat back exercise calories; track net vs TDEE.
GI-aware logging — Low/med/high glycemic index so you can choose wisely.
Coach suggestions — Simple "next meal" ideas based on your goals and labs.
Weight & exercise logs — One place for meals, workouts, and weight.
Optional labs — Add A1C and lipids for tailored nudges (not medical advice).

Please review and accept our Terms and Conditions to continue.

Terms and Conditions Summary

Version 1.0 — Please read carefully before proceeding.

Beta Status: Luma is in private beta. The service is provided "AS IS" without warranties. You may encounter bugs, errors, or data issues.

Not Medical Advice: Luma is NOT a medical device. Always consult healthcare professionals for medical decisions.

AI Disclaimers: Suggestions and nutritional estimates are generated by AI (OpenAI, Google) and may be incorrect. You can correct values anytime in the portal.

Data Security Warning: Luma is NOT HIPAA compliant. Data breaches may occur. Do not enter sensitive health information you cannot afford to have exposed. All data is entered at your own risk.

Data Use (CCPA/GDPR): We may use your data for telemetry, analytics, and advertising. To opt out, you may delete your account at any time in Settings.

Arbitration: Disputes will be resolved by binding arbitration. You waive rights to jury trials and class actions.

Liability: We are not liable for damages from data breaches, AI errors, or health decisions made using the service.

Read full Terms and Conditions →

I have read and agree to the Terms and Conditions, including the arbitration clause, data use policies, and liability limitations.

Create your account credentials. You'll use these to sign in.

Email address

For account recovery and welcome email

Confirm email

Username

Letters, numbers, and underscores only

Password

Add a few details so we can personalize your goals. You can change anything later in Settings.

Name

Height

Weight

Age

Biological sex

Activity level

The following section is optional and can be filled in later in Settings. Adding your lab values helps calculate more accurate goals.

Labs (optional)

A1C & lipids help Luma tailor suggestions. Not medical advice.

A1C %

Total Chol (mg/dL)

LDL

HDL

Triglycerides