Same protein line, different bottle and formula
The catalog Oikos Chocolate bottle and Premier Chocolate carton both list 30 g protein per full serving. The useful differences are the drink volume, fiber and ingredient pattern, plus whether a 12-bottle case or four-pack fits how you shop and store supplies.
These are shelf-stable ready-to-drink products before opening as labeled, not tubs of powder or refrigerated yogurt cups. Oikos’ familiar yogurt name should not lead you to use a yogurt-cup label for this drink.

Catalog Nutrition Facts use one 355 mL bottle.

The pictured carton is 11 fl oz; the brand also sells 11.5 fl oz presentations.
One full bottle or carton at a time
| Detail | Oikos Chocolate | Premier Chocolate |
|---|---|---|
| Volume | 12 fl oz /355 mL | 11 fl oz |
| Protein | 30 g | 30 g |
| Calories | 180 | 160 |
| Total sugar | 1 g | 1 g |
| Total dietary fiber | 6 g | 2 g |
| Selected protein ingredients | Milk protein concentrate and micellar casein isolate | Milk protein concentrate and calcium caseinate |
| Sweetening ingredients to notice | Stevia extract | Sucralose and acesulfame potassium |
| Material label details | Contains milk; coconut oil in ingredients | Pictured allergen line: milk and soy |
Oikos front-of-pack language about 5 g prebiotic fiber is not the same line as 6 g total dietary fiber on its Nutrition Facts panel. Keep total fiber and a specific ingredient claim separate.
Fit the container to the day
A full Oikos bottle is a little larger than the pictured Premier carton. If volume matters to your routine, compare those actual containers rather than reading only the common 30 g protein headline. A full serving is the basis of the table; it is not a requirement to finish a container in one sitting.
If you plan to save part, use the opened-container storage instructions and appropriate refrigeration. Do not assume unopened shelf stability continues after opening. Pack a separate cup only if it makes the portioning step easier and keep the remaining product’s identity clear.
Pack count also changes the storage job. A four-pack is a smaller initial purchase; a 12-bottle case needs more cupboard space. Current price and delivery availability vary, so this article does not calculate an unverified savings winner.
Ingredient preferences can be the deciding factor
The Oikos catalog ingredient panel includes inulin and stevia; Premier’s pictured panel includes a different thickener/sweetener and fortification pattern. Read the full current label if avoiding a particular ingredient. “Chocolate protein shake” does not identify a single formula.
Both use milk-derived protein. A clear or creamy appearance is not an allergy test, and a low-sugar claim does not make the drinks identical. Start with actual ingredients and your food routine before treating one large number as the complete comparison.
Is the Oikos drink the same as Oikos PRO yogurt?
No. This is the 12 fl oz shelf-stable Chocolate drink in the catalog, with its own Nutrition Facts.
Which tastes better?
This is a label and preparation comparison. Flavor preference is personal; no taste-test result is supplied.
What if I prefer mixing my own?
The Premier shake/powder comparison covers that different preparation choice, including how added liquid changes the nutrition of the finished drink.
Read next
Sources and method
- Oikos Chocolate high-protein drink — manufacturer identity; exact catalog 355 mL Nutrition Facts and ingredient photos supply the compared panel. Direct page fetch unavailable during this source check.
- Premier Chocolate shake — manufacturer has 11 and 11.5 fl oz sizes; this comparison identifies the catalog 11 fl oz carton panel.
Sources checked October 29, 2026.
Prepared by GLP Finds with AI-assisted writing and checked against the listed sources. Our editorial process.