The key difference is the 26g Organic Protein Shake is focused on high protein needs. The nutritional shake offers a well-rounded nutritional profile. In addition to 16g of plant-based protein, there is also a vitamin & mineral blend, and a fruit & veggie blend.
Both shakes are focused on high protein needs, key difference is less protein (21g vs 26g) and the protein source. The 21g Organic Protein Vegan Shake’s protein source is pea protein derived from yellow split peas.