Skin is one of the biggest organs in your body. It protects you from the outside world, helps control your body temperature, and gets rid of waste. Healthy skin depends on what’s going on inside your body, not just what you put on it. Good nutrition supports skin in five main ways: it keeps moisture locked in, builds collagen to keep skin firm, protects skin cells from damage, supports healthy blood flow, and helps skin cells renew themselves. Here’s how food supports each of these.
Barrier Function and Hydration
Your skin has a barrier that keeps moisture in and keeps irritants out. When that barrier breaks down, skin gets dry, irritated, and more prone to breakouts.
- Essential fatty acids — cold-water fish, walnuts, flaxseed, chia seeds. These strengthen the skin barrier and help skin hold onto moisture.
- Niacin (vitamin B3) — almonds, avocado, lean beef, brown rice, chicken, cod, dates, halibut, liver, beans, peanuts, tuna, whole wheat flour. Niacin also opens up small blood vessels near your skin’s surface, bringing more oxygen-rich blood to nourish it.
Collagen Production and Elasticity
Collagen is a protein that keeps skin firm and helps prevent wrinkles. Strong collagen keeps skin looking younger and more elastic.
- Vitamin C — berries, broccoli, brussels sprouts, cauliflower, cherries, grapefruit, oranges, parsley, red cabbage, red peppers, spinach, potatoes. Vitamin C is essential for actually building collagen fibers, not just supporting your immune system.
Antioxidant Protection
Your skin deals with constant stress from sun, pollution, and everyday life. Antioxidants help protect skin cells from that damage and slow down visible aging.
- Vitamin A — carrots, sweet potatoes, spinach, cantaloupe, eggs, liver, mushrooms
- Zinc — oysters, pumpkin seeds, turkey, seafood, meats
- Vitamin C — see above
Vitamin A and zinc also support your immune system, and both tend to run low during stressful times, which is often when skin problems show up.
Cell Turnover and Renewal
New skin cells take about 20 to 30 days to form and rise to the surface. That’s why it usually takes a month or two before you notice real changes in your skin. Vitamin A and zinc both play a direct role in this renewal process, so low levels of either can lead to dull or slow-healing skin.
- Vitamin A and zinc — asparagus, broccoli, cantaloupe, carrots, eggs, liver and meats, mushrooms, spinach, seafood, sweet potatoes, watermelon, oysters, pumpkin seeds, turkey
Stress Resilience
Chronic stress uses up nutrients your skin needs most. Supporting your body’s stress response ends up supporting your skin too.
- Vitamin B6 and magnesium — banana, dark green vegetables, chicken, whole grains, lentils, lima beans, salmon, tofu, tuna, nuts, seafood. B6 works with vitamin C to support immunity, helps reduce facial oiliness and blackheads, and pairs with magnesium to buffer stress.
Additional Supportive Nutrients
- Sulfur and potassium — avocado, dried fruits, lean meats, cabbage, eggs, fish, garlic, legumes, onions, parsley, raisins, spinach, vegetables, yams, whole grains. Sulfur has long been used in creams and ointments to treat a variety of skin conditions.
Give It Time
Since new skin cells take 20 to 30 days to form and reach the surface, expect it to take 1 to 2 months before you see real results from nutrition changes. Dry skin brushing, getting the right balance of essential fatty acids, and an overall seasonal detox can all help speed things along.
For a more comprehensive, individualized plan for your skin and overall health, schedule with me today.
— Dr. Faith Christensen