Zinc Flashcards
(14 cards)
What is zinc gluconate commonly used for?
It is a common over-the-counter zinc form used in cold remedies like lozenges and nasal sprays; cost-effective and widely available.
What is the role of zinc acetate in supplements?
Added to lozenges to reduce cold symptoms and speed up recovery.
Which form of zinc has the best absorption but is more expensive?
Zinc picolinate.
How does zinc citrate compare to zinc gluconate?
It is absorbed just as well but has a less bitter and more appealing taste.
What are the characteristics of zinc sulphate?
It is an inorganic form that may cause stomach irritation and nausea; liquid form improves absorption and reduces side effects.
When is the best time to take zinc supplements?
At night on an empty stomach, or at least 1 hour before or 2 hours after meals.
What should you do if zinc supplements cause stomach upset?
Take zinc with food.
What is a caution related to zinc nasal sprays?
They may be linked to anosmia (loss of smell).
What adverse effect can high doses of zinc (100-150 mg daily) cause?
Inhibition of copper metabolism, potentially causing low copper levels.
Why do some zinc supplements include copper?
To counteract the negative effect of high zinc doses on copper metabolism.
What are some common side effects of zinc supplementation?
Nausea, vomiting, and diarrhea.
How should antibiotics be timed with zinc supplementation?
Take antibiotics at least 2 hours before or 4–6 hours after zinc supplements.
Which drugs reduce zinc absorption?
Aspirin (3 grams/day) and proton pump inhibitors (PPIs).
How do thiazide diuretics affect zinc levels?
They increase zinc excretion by at least 60%.
