Super Saturated is a powder consisting of equal parts stearic acid and palmitic acid, the two most common saturated fats.
Why would you want more saturated fat? The short answer is that stearic acid stimulates mitochondrial fusion and fat-burning. For a longer answer, you can read this introduction to the stearic diet on r/SaturatedFat.
It is gluten-free, dairy-free, nut-free, and vegan. According to the manufacturer, highly refined soybean oil may be one of the source ingredients, though no soy protein or linoleic acid should be present in the final material.