Are the main ingredients synthetic?
They are synthetic if: Under "Ingredients", only the name of the vitamin or mineral appears, with or without its chemical name. For example, "Vitamin C", or "Ascorbic acid (Vitamin C)", or "Calcium Carbonate". Versus “Vitamin C (from camucamu fruit)” which gives the plant source of natural Vitamin C.

Does it contain other synthetic ingredients or additives?
Artificial Colors: FD&C Blue #2 Lake, or FD&C Red 40, etc. Synthetic Preservatives: benzoates (eg sodium benzoate), nitrites (eg sodium nitrite), sulphites (eg sulphur dioxide), sorbates (eg, potassium sorbate), etc. Additives: Dextrose, sucrose, starch, etc.

If it’s not a fiber supplement, does it contain added fiber?
Fiber terms: bran, glucomannan, cellulose, pulp

If your answer is Yes to one or more of the questions, you may be wasting
your money, risking your health, or both.