Zinc is an essential trace mineral involved in over 300 enzymatic reactions in the body. It is required for normal immune function, protein synthesis, wound healing, DNA synthesis, and cell division. The body does not store zinc, so regular dietary intake is necessary.
Forms of zinc in supplements
Zinc in supplements is always bound to another compound to make it stable and absorbable. Common forms include zinc gluconate, zinc citrate, zinc oxide, and zinc picolinate. The form affects how efficiently the mineral is absorbed in the digestive tract. Zinc oxide, while common, has lower bioavailability. Zinc picolinate and zinc citrate are generally considered better absorbed.
What is zinc picolinate?
Zinc picolinate is zinc bound to picolinic acid, a naturally occurring compound produced in the body during the metabolism of tryptophan. Some research suggests that this binding improves zinc absorption compared to other forms, possibly because picolinic acid facilitates transport across the intestinal wall. It is one of the most popular premium zinc forms available in supplements.
Dietary sources of zinc
Zinc is found in oysters (the richest source by far), red meat, poultry, beans, nuts, whole grains, and dairy products. People following plant-based diets often have lower zinc intake because phytic acid in plant foods can reduce zinc absorption. This makes zinc supplementation particularly relevant for vegetarians and vegans.
Dosage
The recommended dietary allowance for zinc is approximately 8–11 mg per day for adults. Supplements commonly provide 25 mg, which is above the daily requirement but well within the tolerable upper intake level of 40 mg. Zinc is best taken with food to reduce the chance of nausea. Do not exceed the recommended dose without medical guidance, as excess zinc can interfere with copper absorption.
Available product
Supplements & More carries Solaray Zinc Picolinate 25 mg (60 tablets). Imported from the United States, delivered across Lebanon with cash on delivery.