Most people in the U.S. get enough vitamin A from the foods they eat. That said, premature infants and people living with cystic fibrosis may need additional amounts of this vitamin. Young children generally require less vitamin A than adults of reproductive age and people nursing infants.

not taking any supplements containing vitamin A (including fish liver oil) if you eat liver once a week Alpha-H Vitamin A 0.5 25ml is the perfect introduction to Vitamin A skin care for those looking to prevent signs of premature ageing. Providing antioxidant protection, this Alpha-H retinol serum boosts the skin’s natural defence system to prevent ageing caused by environmental aggressors and UV rays. Helping to improve both skin tone and texture, this high-performance vitamin a serum is ideal for those who haven’t used Retinol-based products previously. This serum delivers dramatic results without causing irritation.How often can you use it: Daily, or more specifically, nightly, once your skin has acclimated to the ingredient. Sarkar R, Arora P, Garg Kv. Cosmeceuticals for hyperpigmentation: What is available? J Cutan Aesthet Surg. 2013;6(1):4. doi: 10.4103/0974-2077.110089 Common symptoms of a skin allergy include itching, redness, and swelling. While prescribed and over-the-counter medications can work to relieve these… READ MORE Stimulates collagen production: Along with working on the epidermis (aka the top layer of the skin), vitamin A is unique in that it also works in the dermis, the deeper layer, where it stimulates the production of collagen.

As well as Vitamin C, Skin Virtue's anti-ageing serum contains Retinol to accelerate skin-cell renewal and improve the look and feel of the skin. Targeting uneven skin tone and texture, this exfoliating serum/cream hybrid reveals a brighter and smoother complexion. The serum is also infused with Vitamin E to condition the skin and protect against environmental aggressors. Many multivitamins contain vitamin A. Other supplements, such as fish liver oil, are also high in vitamin A.

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If you take a supplement that contains vitamin A, do not take too much because this could be harmful.

Although retinol products can improve the appearance of fine lines and wrinkles, and can also help to clear up acne, when you stop using the treatment, your skin will often return to baseline or pre-treatment condition. Topical retinoid reduces the formation of raised skin patches and the formation of cytokines and interleukins that cause inflammation.

How much vitamin A do I need?

If you're on a budget, go with this option from The Inkey List. This brilliantly cheap serum contains a 1 percent concentration of stabilized retinol, 0.5 percent of granactive retinoid (the gentle cousin of prescription-only tretinoin), and squalane to deliver moisture while minimizing irritation. Liver is a very rich source of vitamin A. Do not eat liver or liver products, such as pâté, more than once a week.

They also penetrate the skin’s surface to stimulate collagen and elastin production, which can help reduce the appearance of pores and acne scarring. Helping treat psoriasis and other skin conditions

Good sources of vitamin A

Kim SJ, Baek JH, et al. The effect of physically applied alpha hydroxyl acids on the skin pore and comedone. Int J Cosmet Sci. 2015;37(5):519-525. doi: 10.1111/ics.12244 liver and liver products such as liver pâté – this is a particularly rich source of vitamin A, so you may be at risk of having too much vitamin A if you have it more than once a week (if you're pregnant you should avoid eating liver or liver products)