Here’s What to Eat for Strong, Shiny Strands 

Besides the cosmetic reasons for desiring healthy locks, hair is also a great marker of overall health. A healthy diet, and smart lifestyle changes, can have your hair — and health — looking luscious. By adding the correct foods into your diet, you can have a healthier head of hair in less than a year. 

Why Your Diet Impacts Your Hair Growth and Strength 

Hair is a great marker of overall health. Good hair depends on the body’s ability to construct a proper hair shaft, as well as the health of the skin and follicles. Good nutrition assures the best possible environment for building strong, lustrous hair. But this is not a quick fix. Changing your diet now will affect only new growth, not the part of the hair that is already visible.  

Starting a hair-healthy diet today will mean a more gorgeous head of hair within six months to a year, depending on how fast your hair grows. Hair growth rates vary between about 1⁄4″ and 11⁄4″ per month depending on age, gender, ethnicity, and other genetic and lifestyle factors. On average, a person can expect to have about 6 inches of new growth every year, so it will take about that long to notice the effects of your nutritional changes. 

The Best Nutrients and Foods for Hair Health 

When it comes to optimal hair health, there are specific nutrients supported by science that will help you get the most luscious locks possible. These include the following: biotin, B vitamins (B6, B12, and folate), iron, protein, vitamin C, beta carotene (vitamin A), zinc, omega-3s, and vitamin D. Here’s a deeper look at these hair health nutrients. 

Biotin for Stronger, Thicker Hair 

People ask me about biotin for hair health all the time. Usually, they’ve heard about it on a shampoo commercial or read an article that recommended biotin supplements. Biotin is a B vitamin essential for hair growth and overall scalp health. And while deficiency is rare, biotin has been shown to be helpful in the pursuit of healthy, thicker hair.

  • Biotin-Rich Foods:: Eggs, peanuts and peanut butter, almonds and almond butter, wheat bran, walnuts, Swiss chard, whole wheat bread, wild salmon (fresh, canned), cheese, cauliflower, avocadoes, raspberries 

B Vitamins (B6, B12, Folate): Essentials for Hair Growth and Scalp Health 

These vitamins are involved in the creation of red blood cells, which carry oxygen and nutrients to all body cells, including those of the scalp, follicles, and growing hair. Without enough B vitamins, these cells can starve, causing shedding, slow growth, or weak hair that is prone to breaking. 

  • Vitamin B6-Rich Foods: Chickpeas (garbanzo beans), wild salmon (fresh, canned), lean beef, pork tenderloin, poultry, potatoes, oats, bananas, pistachio nuts, lentils, tomato paste, barley, rice (brown, wild), peppers, winter squash (acorn, butternut), broccoli, broccoli raab, carrots, Brussels sprouts, peanuts and peanut butter, eggs, shrimp, tofu, apricots, watermelon, avocadoes, strawberries, whole grain bread 
  • Vitamin B12-Rich Foods: Shellfish (clams, oysters, crab), wild salmon (fresh, canned), soy milk, trout (rainbow, wild), tuna (canned light), lean beef, veggie burgers, cottage cheese, yogurt, milk, eggs, cheese  
  • Folate-Rich Foods: Lentils, black-eyed peas, soybeans, oats, turnip greens, spinach, mustard greens, green peas, artichokes, okra, beets, parsnips, broccoli, broccoli raab, sunflower seeds, wheat germ, oranges and orange juice, Brussels sprouts, papaya, seaweed, berries (boysenberries, blackberries, strawberries), starchy beans (such as black, navy, pinto, garbanzo, and kidney), cauliflower, Chinese cabbage, corn, whole grain bread, whole grain pasta 

Iron-Rich Protein: Build Strong Hair from Within 

Iron helps red blood cells carry oxygen. Iron deficiency can lead to anemia, a condition in which cells don’t get enough oxygen to function properly. The result can be devastating to the whole body, causing weakness, fatigue, and possibly hair loss. 

For most people, foods can provide all the iron necessary for good health and strong hair. I recommend iron-rich protein for two reasons. First, protein is necessary for all cell growth, including hair cells. Hair gets its structure keratin, and without enough protein for keratin, your strands will weaken and grow more slowly. Second, the iron found in meat (called heme iron) is more easily absorbed by the body than the iron in plant foods (non-heme iron). 

Vegetarians can meet their iron requirement by consuming plenty of iron-rich plant foods like starchy beans, lentils, and dark leafy greens. Vitamin C improves the body’s ability to absorb non-heme iron, so vegetarians should eat iron-rich foods and foods rich in vitamin C at the same meal. Before menopause, women may want to consider taking a multivitamin that contains iron. 

  • Iron-Rich Foods: Clams, oysters, lean beef and lamb, chicken and turkey (especially dark meat), pork tenderloin, shrimp, egg yolks 
  • Iron-Rich Plant-Based Protein Foods: Tofu, tempeh, soybeans (edamame), lentils, starchy beans (such as black, navy, pinto, garbanzo, kidney), black-eyed peas 
  • Iron-Rich Vegetables (low in protein, but offer ample iron): Spinach, seaweed, Swiss chard, asparagus, Brussels sprouts, mustard greens, kale, broccoli 

Vitamin C: Promote Hair Growth and Prevent Breakage 

Vitamin C is necessary for hair health for many reasons. Vitamin C helps the body use non-heme iron — the type found in vegetables — to assure that there is enough iron in red blood cells to carry oxygen to hair follicles. Vitamin C is also used to form collagen, a structural fiber that helps our bodies — quite literally — hold everything together. Hair follicles, blood vessels, and skin all require collagen to stay healthy for optimal growth. For example, some of the first signs of severe vitamin C deficiency are tiny bumps and red spots around the hair follicles on the arms, back, buttocks, and legs. These bumps are caused when tiny blood vessels leak around the follicles. Hair growth is also affected. On the body, the small hairs on arms and legs can become misshapen, curling in on themselves. On the head, even minor vitamin C deficiencies can lead to dry, brittle hair that breaks easily. 

  • Vitamin C-Rich Foods: Guava, bell peppers (all colors), oranges and orange juice, grapefruit and grapefruit juice, strawberries, pineapple, kohlrabi, papaya, lemons and lemon juice, broccoli, kale, Brussels sprouts, kidney beans, kiwi, cantaloupe, cauliflower, cabbage (all varieties), mangoes, white potatoes, mustard greens, tomatoes, sugar snap peas, snow peas, clementines, rutabagas, turnip greens, raspberries, blackberries, watermelon, tangerines, okra, lychees, summer squash, persimmons 

Beta Carotene: Shiny Hair and a Healthy Scalp 

Beta carotene in foods is converted to vitamin A in the body, and vitamin A is necessary for all cell growth, including hair cells. A deficiency can lead to dry, dull, lifeless hair, and dry skin, which can flake off into dandruff. Note that you can have too much of a good thing when it comes to preformed vitamin A (known as retinol or retinyl palmitate) — excessive amounts can cause hair loss. 

  • Beta-Carotene-Rich Foods: Sweet potatoes, carrots, kale, butternut squash, turnip greens, pumpkin, mustard greens, cantaloupe, red peppers, apricots, Chinese cabbage, spinach, lettuce (romaine, green leaf, red leaf, butterhead), collard greens, Swiss chard, watercress, grapefruit, watermelon, cherries, mangos, tomatoes, guava, asparagus, red cabbage 

Zinc: Reduce Hair Shedding and Support Scalp Health 

The mineral zinc is involved in tissue growth and repair, including hair growth. It also helps keep the oil glands around your hair follicles working properly. Low levels of zinc can cause hair loss, slow growth, and increase dandruff. 

  • Foods High in Zinc: Oysters, lobster, lean beef, crab, ostrich, wheat germ, chicken or turkey (especially dark meat), lean lamb, clams, mussels, pumpkin seeds, yogurt, pork tenderloin, starchy beans (such as black, navy, pinto, garbanzo, kidney), lentils, black-eyed peas, soybeans (edamame), lima beans, pine nuts, cashews, peanuts and peanut butter, sunflower seeds and butter, pecans 

Omega-3 Fatty Acids: Nourish Hair Follicles and Support Growth 

Omega‑3s are healthy fats that do a whole lot of good for your body, and your hair is no exception. These powerful nutrients help soothe inflammation, hydrate the scalp, and nourish hair follicles, setting the stage for stronger, shinier strands. 

Omega-3-Rich Foods: Wild salmon, mackerel, herring, sardines, anchovies, canned light tuna, walnuts, flaxseeds, chia seeds 

Vitamin D: Protect Against Hair Loss 

Vitamin D doesn’t just keep your bones strong, it also plays a surprising role in hair growth. This sunshine vitamin helps “wake up” your hair follicles so they can stay in the active growth phase longer. But here’s the thing: many of us don’t get enough, especially during the darker winter months. 

Some studies have linked low levels of vitamin D with more hair shedding and even conditions like female pattern hair loss and alopecia areata. In fact, researchers have found that people with thinning hair often have lower vitamin D than those with full, healthy locks. If you’re noticing more hair in your brush than usual (and you don’t spend much time in the sun), it’s worth asking your doctor to check your vitamin D levels. 

  • Vitamin-D-Rich Foods: salmon, trout, mushrooms, fortified dairy products, fortified plant milks, fortified cereals, egg yolks, beef liver 

Hydration, Sleep, and Stress: Lifestyle Factors That Affect Hair Health 

While good nutrition lays the foundation for strong, vibrant hair, your daily habits also play a big role in how your hair looks and feels. Think of it as the final piece of the hair-health puzzle. Hydration, quality sleep, and stress management aren’t just important for your body and mind, they’re key for supporting your strands, too. 

  • Hydration: Your hair needs moisture just like your skin. When you’re dehydrated, your strands may look dull, dry, and brittle. Water helps deliver nutrients to the hair follicles and keeps your scalp hydrated, creating a healthy environment for growth. 
  • Sleep: Believe it or not, your body (and hair!) does a lot of repair work while you’re sleeping. During deep rest, your body produces growth hormones and ramps up cell regeneration, including in your hair follicles. When you skimp on sleep, those restorative processes get disrupted, which may contribute to increased shedding and slower hair growth over time. Prioritize 7 to 9 hours of quality sleep each night. 
  • Stress: Ever noticed more strands in your brush after a stressful time? You’re not imagining it. Chronic stress can cause a condition (telogen effluvium) where more hair than usual shifts into the shedding phase. It can also raise levels of cortisol, a hormone that may interfere with the normal hair growth cycle. You can’t avoid stress completely, but you can build in mini moments of calm. Try deep breathing, meditation, journaling, or a quick walk outdoors. 

Looking for simple, delicious ways to support your hair health? Try Joy’s 3-Ingredient Protein Smoothie, Bell Pepper Pizzas, or Wild Salmon and Chickpea Salad—all packed with key nutrients your strands will love!