: High protein intake helps preserve lean muscle while you're in a calorie deficit, keeping your metabolism from "crashing".
: Transparent Labs 100% Grass-Fed Whey Protein Isolate . It offers 28g of protein with only 130 calories and is sweetened with stevia.
: OWYN Vegan Protein Shake . It provides 20g of protein from pea and pumpkin seeds and is free from the top 9 allergens.
: To keep calories low, mix with water or unsweetened almond milk. Adding peanut butter or large amounts of fruit can quickly turn a diet shake into a high-calorie meal. If you'd like to narrow this down further, let me know:
When comparing labels, use these dietitian-approved benchmarks:
: Drink a shake between a light lunch and dinner to prevent evening overeating.
: Fairlife Core Power (Chocolate) . Testers at Business Insider ranked this #1 for its balance of 26g of protein, 170 calories, and a taste similar to real chocolate milk.
To lose weight, you should look for a protein shake that is high in protein (20–30g) but low in calories (100–160 kcal) and added sugar (under 5g) . The "best" one for you depends on whether you want a quick post-workout boost, a long-lasting appetite suppressor, or a plant-based alternative. Top Recommendations for 2026