Safety & guidance

Nutrival is a tool. Not a doctor.

Nutrival provides general nutrition information and self-tracked feedback. It is not medical advice, diagnosis or treatment. Talk to a qualified healthcare professional before starting a restrictive diet or fasting protocol — especially if you take medication, are pregnant, have a chronic condition, or have a history of an eating disorder.

Who our protocols are not for (without medical supervision)

  • · People who are pregnant or breastfeeding
  • · People with a current or past eating disorder
  • · People taking glucose-lowering medication (insulin, sulfonylureas, GLP-1s)
  • · People with kidney, liver or gallbladder disease
  • · People who are currently underweight
  • · People under the age of 18
  • · People being treated for a heart condition or chronic illness

What Nutrival deliberately does not do

  • We do not claim intermittent fasting extends human lifespan. Current randomized-trial evidence supports fasting primarily as a practical weight-management method, with results broadly similar to ordinary calorie restriction.
  • We do not tell you eggs and avocado are a complete diet. They're a simple default meal. Our templates include vegetables, fish, legumes and dairy so you don't end up with obvious nutritional gaps.
  • We do not sell you a fake "longevity score". Your Nutrival Score reflects controllable behaviour today — not physiology or life expectancy.
  • We do not push you into strict keto by default. Very-low-carb diets can cause constipation, fatigue and micronutrient gaps if planned poorly, and long-term advantages over moderate approaches often shrink over 12–24 months.

When to stop and talk to a professional

  • · You feel dizzy, faint or unusually weak for more than a day or two
  • · You notice symptoms of low blood sugar and you take medication for diabetes
  • · Your weight drops faster than 1 kg per week over multiple weeks
  • · Your relationship with food starts feeling anxious or restrictive
  • · Your period changes or stops
  • · You are constantly cold, constipated, or losing hair

None of this is failure. It's information. Adjust the protocol — or stop it — and talk to a qualified professional.