Foods for Hair Growth: Recipes With Salmon, Eggs, Nuts and Sweet Potato

Quick answer: No food is proven to make hair grow faster. Studies link low iron, zinc and vitamin D to hair loss, so the sensible plan is varied meals with protein, eggs, fish, nuts, seeds and greens. This guide has a salmon, sweet potato and spinach recipe with about 37 g of protein a serving, plus five more recipes.

You typed "foods for hair growth", so you probably want something to cook tonight, not a lecture on foods for hair growth. I started with the meal. Roasted salmon, sweet potato, spinach and pumpkin seeds on one sheet pan, with the numbers from USDA data. Then there are five more recipes from this site, and a plain look at what research says about food and hair, including the parts that are still unclear.

Foods and recipes for hair growth at a glance

Food	Where to cook it	What a serving has (USDA, estimate)
Salmon, sweet potato, spinach, pumpkin seeds	The recipe card below	About 598 calories and 37 g of protein
Eggs	Scrambled eggs with cottage cheese	About 240 calories and 19 g of protein
Walnuts, cottage cheese	Cottage cheese bowl	About 342 calories and 26 g of protein (sweet bowl)
Sweet potato	Healthy sweet potato recipes	About 233 calories and 6 g of fiber (roasted cubes)
Spinach, lean turkey	Lasagna soup	About 341 calories and 27 g of protein
Chicken breast, white beans	White chicken chili	About 366 calories and 42 g of protein

The recipes and their numbers are explained below the research.

Protein-rich foods for hair growth, by serving

Hair is made mostly of protein, which is why lists of "foods high in protein for hair growth" are everywhere. We can only tell you what these foods contain, not what they will do for you. Here are the foods in this guide, by USDA data (raw weights).

Food	Serving	Calories	Protein
Atlantic salmon, farmed	140 g (5 oz)	About 291	About 29 g
Egg, whole	1 large (50 g)	About 72	About 6 g
Pumpkin seeds	1 oz (28 g)	About 155	About 8 g
Almonds	1 oz (28 g)	About 175	About 6 g
Walnuts	1 oz (28 g)	About 183	About 4 g
Sweet potato	200 g	About 172	About 3 g (6 g of fiber)
Spinach	1 cup (30 g)	About 7	About 1 g

Source: USDA FoodData Central. The one-ounce portions and the 200 g and 140 g portions are our choice of serving, not a USDA portion.

What the research says about food and hair

Hair growth is a slow process, and food is only one of the things that can affect it. I read the reviews below on PubMed. Here is what they found, and where they stop.

• A 2026 systematic review in Nutrition and Health (PMID 40836838) pooled 17 studies with 61,332 participants, 97% of them women. Higher levels of vitamin D and iron were linked to less alopecia, and a higher intake of sugary drinks was linked to more hair loss. The authors say further research is needed to confirm this.
• A 2024 systematic review in Molecular Nutrition & Food Research (PMID 39440586) covered 49 articles on micronutrients and androgenetic alopecia. Deficiencies of B vitamins, vitamin D, iron and zinc were associated with a higher risk. The authors also say the evidence is not consistent, because some studies found no link.
• A 2023 systematic review in JAMA Dermatology (PMID 36449274) looked at diet and supplement studies in people with hair loss and no known deficiency. It included 30 articles, and no diet-based intervention study met its criteria. The better studies were of specific supplement products, not of foods.
• A 2017 review of biotin in Skin Appendage Disorders (PMID 28879195) found 18 case reports, all in people with an underlying problem with their hair or nails. Its authors wrote that research on biotin is limited and that they found a lack of sufficient evidence for supplements in healthy people.

Read together, these studies say something modest. Low levels of iron, zinc, vitamin D and some B vitamins are associated with hair loss, so a varied diet is a reasonable base. They do not show that eating more of one food, or taking a supplement, makes hair grow faster in a person who is not deficient. A study of a group is not a result for you. So this page makes no promise about your hair, and the recipes are here because they are good meals.

The recipe: salmon, sweet potato and spinach sheet pan

The meal uses foods that come up again and again in articles on hair and nutrition, and it is easy to make. One sheet pan for the fish and the potatoes, one skillet for the spinach, and about 35 minutes.

• Salmon. Two fillets of about 140 g (5 oz), skinless. By USDA data, a fillet that size has about 29 g of protein before cooking.
• Sweet potatoes. Two medium ones, about 400 g, in 1-inch cubes. They give the plate its fiber and sweetness.
• Baby spinach. About 4 packed cups. It cooks down to a few forkfuls.
• Pumpkin seeds. Two tablespoons of raw, unsalted seeds for crunch.
• Olive oil, paprika, salt, garlic and lemon. Just enough to season.

The ingredient list, the method with photos and the nutrition panel are in the recipe card below.

How many calories and how much protein?

One serving, half of the recipe, has about 598 calories, 37 g of protein, 46 g of carbohydrate and 30 g of fat, and about 532 mg of sodium. Fiber is about 8 g, mostly from the sweet potato. All of it is an estimate from USDA FoodData Central, using raw weights. Most of the fat comes from the salmon and the pumpkin seeds. If you want a lighter plate, use one fillet for two people and add a side of greens.

Swaps that keep the plate balanced

• No salmon? Use another fish fillet, or roast chicken thighs for a few minutes longer. The numbers will change, so check them.
• No pumpkin seeds? Chopped almonds or walnuts do the same job. An ounce of almonds has about 175 calories and 6 g of protein by USDA data.
• Want eggs? Skip the fish and top the sweet potatoes and spinach with two fried or poached eggs. A large egg (50 g) has about 72 calories and 6 g of protein.
• Make it ahead. Roast an extra tray of sweet potatoes for lunches. Cook the salmon the day you eat it.

More recipes with foods that help for hair growth: eggs, nuts and seeds

Eggs. A 2023 review of the positive effects of eggs on hair in the Journal of Cosmetic Dermatology (PMID 36237143) read 31 papers and describes eggs as a low-cost food that supplies protein, biotin, choline and vitamin A. It is a narrative review of nutrients, not a trial of eating eggs for hair. If you want an egg recipe, start with our scrambled eggs with cottage cheese, which has about 240 calories and 19 g of protein a serving.

Other recipes on this site use the same foods. Per serving, by USDA data and as estimates: the cottage cheese bowl with walnuts has about 342 calories and 26 g of protein, the roasted cubes in our sweet potato recipes have about 233 calories and 6 g of fiber, the lasagna soup with spinach and lean turkey has about 341 calories and 27 g of protein, and the white chicken chili has about 366 calories and 42 g of protein.

Nuts. I get asked whether nuts are good for hair. They are a good food, with protein, fiber and fat, and they are easy to add to breakfast, like the walnuts in that bowl. We found no trial that shows eating nuts changes hair, so that is as far as we go.

Pumpkin seeds. They are the crunch on the sheet-pan dinner above. Two reviews on PubMed mention pumpkin seed oil in the context of hair loss, but they discuss it as a supplement, and one of them says more studies are needed. That is different from sprinkling seeds on a salad, and we do not claim the seeds do the same thing.

Biotin rich foods: what we can and cannot say

Biotin is the vitamin most often linked to hair, and "biotin rich foods" is one of the most searched phrases on the topic. Here is what we found. The biotin review above says that research on biotin for hair is limited, and that true deficiency is uncommon. The egg review describes eggs as a source of biotin. We did not find a biotin figure for each food in USDA FoodData Central that we could verify, so we do not publish a ranked list of biotin foods or numbers we cannot back up.

One more point is about supplements. A 2025 review of the root causes of female hair loss and non-pharmaceutical interventions in the Journal of Drugs in Dermatology (PMID 40627570) recommends avoiding excessive supplementation with biotin because it can interfere with diagnostic tests. If you take biotin, tell the person who orders your blood tests.

Tips for cooking these foods for hair growth

• Do not crowd the pan. Sweet potatoes steam instead of browning when they touch.
• Pat the salmon dry. It roasts better, and the seasoning sticks.
• Add the lemon last. It keeps the spinach bright.
• Use unsalted seeds. You control the sodium, and the number above is for raw, unsalted seeds.
• Eat the meal, not the single food. A plate with protein, a vegetable and a starch is easier to keep up than a list of "hair foods".

Safety: when to ask a doctor

Hair loss has many causes: hormones, stress, illness, medicines, genetics and low levels of some nutrients. A sudden change, patchy loss or thinning that keeps going is worth a visit to a doctor, who can check the cause and test iron or other levels if needed. Food does not replace that care. Do not start high-dose iron, zinc or biotin supplements on your own. If you are pregnant or breastfeeding, have a health condition or take medicine, ask your healthcare professional before changing what you take.