The best mass gainers and meal replacement shakes, ranked
Of the 33 mass gainers and meal replacement shakes we have checked against their labels, the highest-scoring are GNC Pro Performance Pro Performance Weight Gainer (65/100), Musashi Bulk Protein Powder (58/100) and Transparent Labs Mass Gainer (58/100).
Calorie-dense shakes with added carbohydrate and fat. Our score is built for protein powders, so these score lower on protein density by design. We rank by the TBPP Quality Score: protein density, third-party testing, label transparency and sugar, scored against our published standard. Last checked 2026-10-14.
Our picks
Highest score
Protein
50g
Sugar
—
Our score
65/100
$7.00 / servingChecked 2026-10-13
65/100 on our standard.
Best value
Protein
27g
Sugar
5g
Our score
43/100
$1.72 / servingChecked 2026-10-14
$1.59 per 25 g of protein, the lowest in the top half.
Most protein per scoop
Protein
27g
Sugar
1g
Our score
55/100
$2.64 / servingChecked 2026-10-14
60% protein by weight.
Full ranking
Per serving, from the label. A dash means we couldn't verify it.