Category · Updated 2026
Protein is the single most important macro to keep in your diet when you're losing weight — especially on a GLP-1, where reduced appetite makes it hard to hit 100+ grams a day from food alone. These are the whey, plant, and ready-to-drink options we actually use.
Transparent Labs
28 g grass-fed whey isolate — zero artificial anything
$1.99 / serving
10% off with code
Code WLPT10
Fairlife
42 g protein in a bottle — the RTD to keep in your fridge
$3.79 / bottle
Legion
22 g grass-fed whey isolate — naturally sweetened, Labdoor A-rated
$1.87 / serving
Optimum Nutrition
The best-selling whey on Earth — 24 g protein, tested by generations
$0.99 / serving
Free shipping on $75+
Ritual
20 g organic pea protein — the plant option that actually mixes
$2.33 / serving
25% off first month
Orgain
21 g organic plant protein — the grocery-store plant pick
$1.25 / serving