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Plant-based milk comparison 2026: oat vs soy vs almond vs pea
Which plant milk is best? Compare oat, soy, almond, pea, coconut, and rice on taste, protein, calories, and environmental footprint in one chart.
May 30, 2026 · 6 min read · By VeggieOS Editorial
Oat, soy, almond, coconut, pea, rice, hemp, hazelnut — there are now more plant milks than most coffee shops have menu items. Here's the no-nonsense 2026 comparison on taste, nutrition, and environmental footprint.
The quick verdict
- Best all-rounder: Soy — highest protein (7–9 g), complete amino acid profile
- Best for coffee: Oat — creamy, foams like dairy, mild flavor
- Lowest footprint: Oat — minimal water, low land use, low CO₂
- Lowest calorie: Almond — ~30 kcal/cup but only 1 g protein
- Worst footprint: Almond (water-intensive) and rice (high methane)
Nutrition per 240 ml (unsweetened)
Soy: 80 kcal, 7 g protein. Oat: 90 kcal, 3 g protein. Almond: 30 kcal, 1 g protein. Pea (Ripple): 70 kcal, 8 g protein. Coconut: 45 kcal, 0 g protein. Cow's milk for reference: 150 kcal, 8 g protein.
Environmental impact (vs 1 L cow's milk)
- Cow's milk: 628 L water, 9 m² land, 3.2 kg CO₂
- Almond: 371 L water, 0.5 m² land, 0.7 kg CO₂
- Oat: 48 L water, 0.8 m² land, 0.9 kg CO₂
- Soy: 28 L water, 0.7 m² land, 1.0 kg CO₂
(Source: Poore & Nemecek, Science 2018, updated 2024.)
Brands worth buying
Oatly Barista, Minor Figures, Califia Farms Oat, Silk Soy Original, Alpro Soya, Ripple Pea Original, Elmhurst (clean ingredient lists, no gums).
Watch out for
Some plant milks contain added vitamin D3 (animal-derived). Look for D2 or vegan-certified D3. VeggieOS checks every additive automatically.