10 best sources of protein
How much protein should you eat, and which foods really pack a punch? Find out how to get all the protein you need and when to up your intake.
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Why do we need protein?
Protein is an essential nutrient, responsible for multiple functions in your body, including building tissue, cells and muscle, as well as making hormones and anti-bodies. Everyone needs protein in their diet, but if you do endurance sports or weight training, you may benefit from increasing your protein intake, as well as factoring it into your training routine at specific times to reap its muscle-building benefits.
Studies also suggest that as we get older we may benefit from eating more protein because it helps minimise the muscle loss associated with aging.
How much protein should I eat?
For most people, a daily dose of around 0.8-1g of protein per 1kg of body weight is recommended. For weightlifters and strength athletes, 1.4 – 2g of protein per kg of body weight is recommended per day, with a recommendation of 1.2-1.6g of protein per kg of body weight per day for endurance athletes. After exercise, protein is particularly important since muscles need it to recover and grow. A portion of protein (15-25g) is recommended within 30 minutes of exercise, when your muscles are particularly receptive to protein synthesis.
Can you eat too much protein?
For most of us, our daily protein requirements are easily achieved by a healthy, balanced diet. The Department of Health advises adults to avoid consuming more than twice the recommended daily intake of protein (55g for the average man and 50g for the average woman). This is because, in the long term, consuming too much protein might lead to health issues such as an increased risk of osteoporosis and a worsening of an existing kidney problem. However, research in this area is mixed and it is likely that other factors may influence outcome, such as whether the protein is of animal or vegetable origin and how balanced the diet is in terms of vitamins and minerals.
One of the main issues with our Western diet is that our breakfasts and lunches are often low in protein but high in carbohydrates, with a protein-packed evening meal. It is better to spread your protein intake throughout the day. Try our suggestions for high-protein breakfasts, high-protein lunches and high-protein dinners.
You can get protein from both plant and animal sources – here are some of the best food sources of protein.
We love to cook with them but how much protein is in an egg? One medium egg has around 6g of protein in an easily digestible form. A healthy omelette is a good way to start the day and is a good recovery snack, too.
Dairy foods are packed with protein and contain bone-building calcium, too. Chocolate milk is the age-old recovery food after exercise, since it contains energy-replenishing carbohydrates and a blend of both slow- and fast-release whey and casein proteins. You can get the same recovery-boosting effects from a milk-based fruit smoothie, such as this cranberry & raspberry smoothie recipe.
Read more about the best calcium-rich foods.
A combination of casein and whey protein, yogurt is a great protein-rich food. Since some of the lactose is removed, it may be a useful option if you are lactose intolerant, but check with your healthcare professional if you have any concerns.
Try making your own healthy bio yogurt.
4. Fish and seafood
Fish and seafood are good sources of protein and are typically low in fat. While slightly higher in fat than other varieties, salmon packs in heart-healthy omega-3 fatty acids, which can reduce joint stiffness and inflammation.
5. Chicken and turkey
Opt for lean protein from white meat poultry such as chicken and turkey.
If you’re dairy intolerant, eating soya protein foods such as fortified tofu and soya-based drinks will help post-recovery, plus they can help to lower cholesterol and may reduce the risk of heart disease.
7. Nuts and seeds
Nuts and seeds are a practical protein choice if you’re on the move. Around 50 pistachio nuts provides 6g of protein, plus sodium and potassium, the electrolytes lost in sweat during exercise. This clementine & honey couscous recipe with pistachios makes for a great breakfast or speedy snack.
Read more about the health benefits of nuts.
Meat supplies branched-chain amino acids (BCAAs), which are key in supporting muscle recovery. Leucine, in particular, makes up one third of muscle protein and helps to stimulate repair after exercise. Pork is one of the richest sources of leucine and therefore a great addition to a post-exercise meal or snack. Eggs, chicken and lean beef also provide good amounts of leucine.
Try our healthy pork recipes.
9. Beans and pulses
Beans and pulses are great, cheap protein sources. They're also a useful plant source of iron and and are rich in fibre.
10. Tofu and tempeh
Both tempeh and tofu are made from soy beans, however, tempeh requires the additional step of fermentation, providing it with an extra depth of flavour. Tempeh also offers a higher protein and fibre content, while tofu is slightly lower in fat and calories.
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This article was last reviewed on 7 June 2022 by Tracey Raye.
Kerry Torrens is a qualified Nutritionist (MBANT) with a post graduate diploma in Personalised Nutrition & Nutritional Therapy. She is a member of the British Association for Nutrition and Lifestyle Medicine (BANT) and a member of the Guild of Food Writers. Over the last 15 years she has been a contributing author to a number of nutritional and cookery publications including BBC Good Food.
All health content on bbcgoodfood.com is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or any other health care professional. If you have any concerns about your general health, you should contact your local health care provider. See our website terms and conditions for more information.
What are your favourite sources of protein post-workout? Are you still unsure whether you're getting enough? Post your questions and comments below...