I asked the same Q and decided to check directly with the manufacturer .. their answer was .. each caplet contains 50mg of elemental zinc, so zinc gluconate is the compound used to provide this 50mg of elemental zinc/caplet
By McBoingBoing on December 1, 2021

Generally, the label says: NO preservatives, sugar, starch, corn, soy, egg, lactose, gluten, wheat, yeast, fish. It does contain Zinc Gluconate, croscarmellose sodium and a few other ingredients, I don't know if those can be gmo. The label does NOT say non-gmo
I would also question whether the ingredients are SOURCED … see more Generally, the label says: NO preservatives, sugar, starch, corn, soy, egg, lactose, gluten, wheat, yeast, fish. It does contain Zinc Gluconate, croscarmellose sodium and a few other ingredients, I don't know if those can be gmo. The label does NOT say non-gmo
I would also question whether the ingredients are SOURCED from china, maybe the manufacturer can reply. see less Generally, the label says: NO preservatives, sugar, starch, corn, soy, egg, lactose, gluten, wheat, yeast, fish. It does contain Zinc Gluconate, croscarmellose sodium and a few other ingredients, I don't know if those can be gmo. The label does NOT say non-gmo
I would also question whether the ingredients are SOURCED from china, maybe the manufacturer can reply.
By Dan Arnold on November 1, 2020

I find that 50 mg may be too much per day for me so I cut them in half.
Maybe if you crush it and add it to a drink the swallowing problem will be relieved.
By Dan Arnold on November 1, 2020

Third-party lab testing is when a private party not affiliated with the manufacturer or distributor performs a scientific analysis of a product. With a lack of federal regulation, there is no standardized process for testing CBD. ... Third-party lab testing provides a neutral, unbiased source of information.
By Diane Camfield on May 28, 2020