GNC
A clearer way to compare
The label tells a story.
Read the right numbers.
Supplements aren’t comparable until serving sizes, ingredient amounts and costs speak the same language. Start with the facts, not a ranking.
01 / Serving size02 / Active ingredients03 / Unit cost
THE COMPARISON DESKEST. 2026
2000mg fish oil
600mg EPA + DHA
The number on the front isn’t always the one to compare.
LABEL CLAIMCOMPARABLE AMOUNT
START WITH A CATEGORY
What are you comparing?
Each category has its own useful measurements. We never compare unlike products on a single score.
03
Whey protein powder
Compare protein per serving, powder weight and the cost of 25 g of label-declared protein.
10 reviewed products04
Vitamin D3
Compare the labeled IU per serving—not capsule counts or front-of-bottle claims.
10 reviewed products05
Magnesium
Elemental magnesium per serving is the comparable number; compound weight on the front can be several times higher.
10 reviewed products06
Collagen peptides
Hydrolyzed powders only. Compare peptide grams per serving and the cost of 10 g.
10 reviewed productsRECENTLY REVIEWED LABELS
Browse the catalog ↗Get a feel for the format.
1,000 mgEPA + DHA / serving
Cost / 1,000 mg EPA + DHA$0.50