Yes. The product description specifically notes that VH.NUTRA Whey Protein Salted Pistachio tastes good with water and does not require milk, syrups or additional ingredients. That matters if you want a lower-effort shake, prefer not to add extra calories from milk, or need something you can prepare at work, in a gym bag or after training.
The flavour profile is not neutral: it is described as a soft pistachio note with a light salty accent, giving the shake a more dessert-like taste. It may be a good fit if you usually find plain protein powders too bland, or if you want an alternative to very sweet chocolate or vanilla-style shakes.
The formula uses sucralose and acesulfame K for sweetness without added sugar, and carboxymethylcellulose to help create a more uniform texture. Because taste preferences vary, start with water and adjust the dilution before adding anything else. If the flavour feels too intense, use more water; if you want a creamier drink and your diet allows it, you may choose to mix it with milk, although milk is not required.