Products at Costco under 400 calories

3 products under 400 calories from Costco with 400 calories or fewer, from what people on GLP-1s shared and store and brand labels, each with its source. Highest protein for the calories first.

Not a health rating or diet advice: a list goes by each item's published numbers or portion. What “GLP-1 friendly” means

Everything from Costco →

Cuisine Solutions Sliced Grass-Fed Beef Sirloin

Grocery findCommunity post, not nutrition-checked
Cuisine Solutions · at Costco19g protein · 120 cal

Cuisine Solutions sliced grass-fed beef sirloin from a Costco haul.

Source: A user on TikTok · Posted Jul 2026 · Report a problem with Cuisine Solutions Sliced Grass-Fed Beef Sirloin

Kirkland Ultra Filtered Protein Milk

Grocery findNews report
Kirkland Signature · at Costco13g protein · 120 calMentioned in 2 posts & articles

Kirkland Signature Ultra Filtered Protein Milk

Costco's CEO says it 'has just taken off' amid GLP-1 demand

Source: Grocery Dive · Reported Jun 2026 · Checked Oct 29 · Report a problem with Kirkland Ultra Filtered Protein Milk