This subject along with many others are quite common.
1. Vitamin A
All cells need vitamin A for growth. Studies show that too much vitamin A can also contribute to hair loss Sweet potatoes, carrots, pumpkins, spinach, and kale are all high in beta-carotene, which is turned into vitamin A. Vitamin A can also be found in animal products such as milk, eggs, and yogurt.
Cod liver oil is a particularly good source. Good sources include sweet potatoes, carrots, spinach, kale, and some animal foods.
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Why Is Vitamin C Important?
It can also lead to iron deficiency anaemia (because iron can only be absorbed in the presence of Vitamin C), and this often results in hair shedding. Vitamin C deficiency can be caused by the following factors:
A lack of Vitamin C in your daily diet
Smoking
Alcohol abuse
Chronic illness
Eating disorders
It is preferable to obtain Vitamin C through your diet, rather than supplements. However, when hair loss and/or hair thinning is an issue, a combination of supplements and a healthy diet is best for encouraging regrowth.
Be aware that when you ingest iron, you also need to have sufficient Vitamin C levels, or your body will not be able to absorb the iron.
1. Biotin
Low levels of it can cause hair loss, skin rashes, and brittle nails. Your levels may be low if you’re:
Pregnant or breastfeeding
Taking certain antibiotics or epilepsy drugs
Most people get enough biotin from their diet.