Head-to-head comparison updated for 2026. See which protein product comes out on top.
| Attribute | ||
|---|---|---|
| Brand | Fairlife | Premier Protein |
| Protein / serving | 42gBest | 30g |
| Calories / serving | 230 | 160Best |
| Fat / serving | 4.5g | 3gBest |
| Carbs / serving | 13g | 5gBest |
| Sugar / serving | 7g | 1gBest |
| Price / serving | $3.99 | $2.29Best |
| Price / gram protein | $0.0950 | $0.0763Best |
| Overall score | 70/100 | 72/100Best |
| Value score | 55/100 | 75/100Best |
| Purity score | 83/100Best | 78/100 |
| Protein source | Whey Isolate | Whey Blend |
| Sweetener | sucralose | sucralose |
| Certifications | None | None |
| Dietary tags | Gluten-Free, Kosher | Gluten-Free, Kosher |
| Third-party tested | No | No |
| Buy on Amazon | Buy on Amazon |
Fairlife Core Power Elite is the heavyweight champion of ready-to-drink protein shakes. Each 414ml bottle delivers a massive 42g of complete protein from ultra-filtered milk, along with 8.5g of BCAAs and 4g of leucine — numbers that surpass many protein powder servings. The ultra-filtration process concentrates the protein while reducing lactose, making it more digestible for those with mild lactose sensitivity.
Premier Protein Shake is the undisputed sales leader in the ready-to-drink protein category, and its popularity has surged even further with the rise of GLP-1 weight loss medications like Ozempic and Wegovy. Each 325ml shake delivers 30g of protein with only 160 calories and just 1g of sugar, making it an ideal option for those focused on weight management or meeting protein requirements on appetite-suppressing medications.
Premier Protein Shake takes the lead with an overall score of 72 vs 70. For value, Premier Protein Shake wins with a 75/100 value score.
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Last updated: March 2026
