Nutrition
6 pages in this section, most recently updated September 4, 2026.
- 01
Protein targets on a GLP-1: the ranges, where they come from, and how to hit them on a small appetite
The 2025 joint advisory range of 1.2 to 1.6 g/kg/day, the position stands and trials behind it, why the per-meal split matters more than the daily total when appetite is low, and who should have a clinician set the number.
Updated September 4, 2026
- 02
Energy needs on a GLP-1: what Mifflin-St Jeor estimates, what it misses, and why the number falls
The equation the calculator uses, how accurate it is, the FAO/WHO/UNU activity multipliers, what the trials did with the estimate, and why a GLP-1 makes tracking calories less useful than tracking protein.
Updated September 4, 2026
- 03
Eating when you have no appetite: small meals, protein first, and what the label says about nausea
The joint advisory's meal-pattern advice, the nausea and vomiting rates from the Wegovy label and when they cluster, what to eat on a bad day, and the signs that mean you should call your prescriber rather than push through.
Updated September 4, 2026
- 04
Hydration and fibre on a GLP-1: the intake references, the kidney warning and constipation
Adequate intakes for water and fibre from the Dietary Reference Intakes, why the labels warn about dehydration and acute kidney injury, the constipation rates, and how to get enough of both when you are eating half as much.
Updated September 4, 2026
- 05
Alcohol on a GLP-1: calories, nausea, glucose and the label warnings that touch it
What a standard drink costs in energy, why the joint advisory says to minimise alcohol on GLP-1 therapy, the hypoglycaemia and pancreatitis warnings that make it more than a calorie question, and what many people notice about tolerance.
Updated September 4, 2026
- 06
Micronutrients on a GLP-1: B12, vitamin D, iron and calcium, with the reference intakes
The nutrients the 2025 joint advisory flags as at risk when intake halves, the reference intakes for each from the NIH Office of Dietary Supplements, the metformin and B12 connection, and which tests to ask about rather than which pills to take.
Updated September 4, 2026