The second supplement to be wary of is Vitamin A, which is more normally known as retinol. Vitamin A helps your immune system work properly, helps your vision in dim light and maintains your skin and the lining of some other parts of the body, such as the nose, healthy.
The NHS outlines that the total vitamin A content of a food is usually expressed as micrograms (µg) of retinol equivalents (RE). And the amount of vitamin A adults aged 19 to 64 need is700 µg a day for men and 600 µg a day for women.
Dr Bing said: “Vitamin A is fat soluble, which means that it stores in your liver and it can accumulate over time.
“Too much of this can lead to a condition called pseudotumor cerebri, which is increased pressure in the brain that mimics a brain tumour, causing headaches, blurred vision and even permanent vision loss.”
Zinc
Lastly, Dr. Bing mentioned that consuming “too much” zinc can hinder the body’s ability to absorb copper. Zinc aids in wound healing, the synthesis of new cells and enzymes, and the digestion of food’s protein, fat, and carbohydrates.
The physician revealed: “Multivitamins, lozenges, and even some over-the-counter cold remedies contain it.”
“Now, zinc is crucial for our bodies and can be found in multiple food sources. But the problem is when people take supplements daily for months, they can easily go over the safe limit.
“Copper is essential for your nervous system. And low copper levels can lead something called myeloneuropathy, which is damage to the spinal cord and your peripheral nerves, leading to things like numbness, tingling and trouble walking.
“And I’ve seen several cases of this where people come in with progressive weakness and sensory loss due to copper deficiency from long-term zinc overuse.”
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