Vitamin D content in an egg: ten percent of the recommended daily allowance is provided by a single egg.Vitamin B12 a> One egg provides around 5% of the recommended daily allowance (RDA) for vitamin A.Quantities in an egg:properly.also aids in the proper functioning of several organs, including the heart, lungs, kidneys, and more. The immune system, reproduction, and eyesight all rely on it. It

Positive Aspects: Excess vitamin B12 is usually harmless since the body gets rid of it, but it might create problems or allergic responses in some diseases.

Ingesting too much vitamin B12: one egg has around 9 percent of the recommended daily allowance.

B12, which is present in egg quantities, is involved in nervous system function and is essential for DNA and RBC formation.

Positive aspects:

Hypercalcemia, which may result from taking in too much vitamin D, can cause a host of unpleasant side effects, including lethargy, bone discomfort, and renal issues.