Minerals
Zinc Gluconate
A widely available, inexpensive form found in many cold lozenges and general supplements. Absorption is reasonable, though usually rated below picolinate or bisglycinate.
Best for
Colds and everyday use
Absorption
Moderate
Typical timing
With food to avoid nausea
How to take Zinc Gluconate
A typical dose of Zinc: 8–15 mg per day for maintenance; higher short-term for colds. Best timing: With food to avoid nausea. The form you choose mainly affects absorption and how easily it sits with your stomach, not the overall dose.