Is Simply Watermelon Juice Keto?

The Ingredient Breakdown

As a food scientist, I look at ingredients first to determine metabolic impact. Simply Watermelon Juice lists watermelon juice as the primary ingredient, which is naturally high in fructose. However, the real issue for the keto diet is the addition of cane sugar. This is a pure simple carbohydrate that adds immediate glucose to your system, directly spiking insulin levels and inhibiting ketone production.

The product also includes cherry juice and natural flavors. While cherry juice offers antioxidants, it is also a concentrated source of fruit sugar (fructose). Even though lemon juice is added for tartness (which is generally low-carb in small amounts), it cannot offset the massive sugar load from the watermelon, cane sugar, and cherry juice combined. There are no fats or proteins to slow down sugar absorption.

Nutritional Value

Looking at the nutritional profile, a standard serving (8 fl oz) of Simply Watermelon Juice contains approximately 160 calories and 39 grams of total carbohydrates. Crucially, there are 0 grams of fat and 0 grams of protein. On a standard keto diet, the daily carb limit is usually between 20 to 30 grams. Drinking just one glass of this juice exceeds that limit entirely, leaving no room for other meals or snacks. The sugar content alone sits around 36 grams per serving, which is comparable to a can of soda. For a diet that relies on low glucose intake to maintain a state of fat-burning, this nutritional profile is counterproductive.