Silk Protein Soy Milk Plant-Based Yogurt carries 13 g of complete plant protein per 6 oz serving — the highest figure among the non-dairy yogurts verified here.
Most plant-based yogurts land in the 5 to 8 g range. Soy-based cups that carry the “Protein” label on the front of the container are where to look, and one from Silk currently leads the verified field.
What follows is a straight comparison of the protein figures that can be confirmed from manufacturer and nutrition sources, plus the label-reading habits that separate a genuinely high-protein cup from a marketing claim. Serving size matters as much as the number, so both get attention here.
Which Non-Dairy Yogurt Packs The Most Protein?
Danone, the company behind Silk, describes the Protein line as built around complete plant protein, meaning it supplies all nine essential amino acids the body cannot make on its own. The protein source is soy, which is one of the few plant foods that qualifies as complete on its own.
The same products carry 4 g of fiber per serving and are fortified with calcium, vitamin D, vitamin B12, iodine, and phosphorus. That fortification matters. Harvard’s Nutrition Source notes that plant-based yogurts often run lower in protein and calcium than dairy yogurt unless nutrients are added back in, so a fortified cup closes a gap that a plain one leaves open.
Traditional Silk soy yogurt trails well behind at 6 g per 5.3 oz cup. The two products sit on the same shelf and share a brand name, but the protein difference is more than double. Reading the front label for the word “Protein” is the fastest way to tell them apart.
Non-Dairy Yogurt Protein Comparison
Protein grams only mean something alongside the serving size, because a 5.3 oz cup and a 6 oz cup are not measuring the same amount of food. Divide grams by ounces to get protein per ounce, the figure that lets you compare containers fairly.
| Product | Protein Per Serving | Notes On Serving & Price |
|---|---|---|
| Silk Protein Vanilla Soy Milk Plant-Based Yogurt | 13 g (6 oz) | Complete protein; 4 g fiber; 24 oz container listed around $6.39 |
| Silk Protein Yogurt line (all flavors) | At least 12 g | Fortified with calcium, vitamin D, B12, iodine, phosphorus |
| Silk traditional soy yogurt alternative | 6 g (5.3 oz) | Single cups listed around $1.89 |
| Typical almond-based yogurt | 5–6 g (5.3 oz) | Nut base is naturally low in protein; check fortification |
| Typical coconut-based yogurt | 4–5 g (5.3 oz) | Often the lowest protein among plant bases |
| Pea-protein yogurt blends | 8–10 g (5.3 oz) | Protein varies widely by brand; label is the only reliable guide |
| Dairy Greek yogurt (for reference) | 15–20 g (5.3 oz) | Not a non-dairy product; shown only for scale |
Those dairy figures illustrate the size of the gap without being part of the plant-based comparison. If protein is the only goal, nothing in the non-dairy case matches a strained dairy cup. If dairy is off the table, the fortified soy products are where the number climbs highest.
If you want the tested short list rather than the raw figures, our roundup of the best high protein non dairy yogurt breaks down texture, sweetness, and value per container. Danone’s announcement of the Silk Protein Yogurt line confirms the manufacturer’s own protein and fortification claims.
What Labels Hide About Protein Claims
“Plant-based,” “vegan,” “dairy-free,” and “non-dairy” all describe what a yogurt leaves out. None of them promises a protein level, and treating those words as a shortcut to high protein is the most common mistake in this aisle.
Harvard’s Nutrition Source adds two points worth carrying to the store. First, not every plant-based yogurt is fermented, so some contain no live bacteria despite wearing the yogurt name. Second, protein alone does not make a product the nutritional equal of dairy yogurt — calcium content, added sugar, saturated fat, and live cultures all shift the picture. A cup with 13 g of protein and 15 g of added sugar is not automatically the healthier pick over one with 8 g of protein and none.
Allergens deserve a hard look. Soy-based products are unsuitable for anyone with a soy allergy, and almond, pea, fava, and coconut bases carry their own allergen and cross-contact concerns. The label’s allergen statement, not the front-of-package design, is where that information lives.
Prices are another moving target. The $6.39 figure for the 24 oz Silk Protein tub and the $1.89 for a single traditional cup are retailer listings, and they change with store, region, and promotions. Treat any price here as a rough marker rather than a fixed cost.
The Short Version
Traditional Silk soy yogurt drops to 6 g, and most almond and coconut options sit lower still.
Three habits cover the rest. Read the serving size before trusting a protein number. Look for the word “Protein” on the container, not just the brand. Check the label for calcium, added sugar, and live cultures, because a high protein figure on its own tells only part of the story. That set of checks will sort a strong cup from a weak one on any shelf, in any store.
Common Questions
Is soy yogurt a complete protein source?
Yes. Soy supplies all nine essential amino acids, which is why it qualifies as complete plant protein. Silk describes its Protein Yogurt as complete plant protein, and soy foods generally hold that status across brands. Most other plant bases, including almond and coconut, fall short of that mark unless blended with a complementary protein source.
Does protein content vary between flavors of the same line?
Sometimes. The manufacturer’s 12 g figure applies across the Silk Protein Yogurt line, while the vanilla soy product is listed at 13 g. Flavors can shift either number slightly, so confirm the exact flavor’s Nutrition Facts panel rather than assuming one flavor matches another. Package size matters too, since the figures apply per serving, not per container.
Can a non-dairy yogurt match Greek yogurt for protein?
Rarely. Dairy Greek yogurt reaches 15 to 20 g per 5.3 oz serving, and the strongest non-dairy verified here sits at 13 g per slightly larger 6 oz serving. Fortified soy products close much of the gap, but coconut and almond bases typically land well below. If protein density is the priority, a strained dairy cup still leads, and soy follows closest among plant options.
Sources
- Danone. “Silk Expands Plant-Powered Nutrition Offerings” Supports the 12 g protein minimum, 4 g fiber, and fortification claims for the Silk Protein Yogurt line.
- Harvard T.H. Chan School of Public Health. “Yogurt” Supports the cautions on plant-based yogurt protein, calcium, and live bacteria content.