How many calories are in this supplement? I want to take it while fasting but I’m almost certain these ingredients would have a caloric value…

Dietary supplements are subject to the nutritional labeling requirements established by the Food and Drug Administration (FDA) in Title 21 of the Code of Federal Regulations Part 101 (21 CFR 101.36). Unlike foods, dietary supplement labels can only declare calories, total fat, saturated fat, trans fat, cholesterol, sodium, total carbohydrate, dietary fiber, total sugars, added sugars, and protein “when they are present in a dietary supplement in quantitative amounts by weight that exceed the amount that can be declared as zero in nutrition labeling of foods in accordance with §101.9(c).” 1 These amounts are listed below: 5 Calories 0.5 grams (g) Total Fat 0.5 grams (g) Saturated fat 0.5 grams (g) Trans fat 2 milligrams (mg) Cholesterol 5 milligrams (mg) Sodium 0.5 grams (g) Total Carbohydrates 0.5 grams (g) Dietary Fiber 0.5 grams (g) Total Sugars 0.5 grams (g) Added Sugars 0.5 grams (g) Protein If a dietary supplement contains these nutrients above these amounts, they will be declared on the label in the Supplement Facts.