Conduct online research on multivitamins. What are multivitamins? What are their uses? What precautions should one take before using them?

Avoid the regular use of salt substitutes in your diet if your multivitamin contains potassium. If you are on a low-salt diet, ask your doctor before taking a vitamin or mineral supplement. Do not take multivitamins with milk, other dairy products, calcium supplements, or antacids that contain calcium.

Explanation:

answer; genes dictate the production of specific enzymes, and affected individuals have genetic defects that cause them to lack certain enzymes;