We live in an era of high-protein, low-carb diets. In this world, most people think that a protein deficiency is unheard of. But it is not true as many people skimp on this mighty macronutrient, especially those who are intermittent fasting or cutting calories.

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Protein is an essential nutrient for a variety of bodily functions. These functions include building and repairing muscles, curbing hunger and stabilizing blood sugar, and growing healthy hair and nails. So if someone’s diet lacks the amount of protein required, it will affect a wide variety of functions of the body.

According to experts, our body can absorb only 20 to 30 grams of protein at once. Consuming this much protein will help the body stay satisfied and have enough energy to power through one’s daily routine. But our bodies have a way of telling us that we need more of this essential macronutrient.

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Here is a look at these red flags:

No reduction in belly fat even after workouts: During a workout, our muscles break. Protein helps in repairing them and making them stronger. If the diet lacks protein, the muscle repair is hampered, resulting in muscle loss. So a post-workout protein intake is essential.

Constant sugar cravings: A lack of protein will lead you to reach for sugary snacks because your body is not satisfied. Yes, it’s not a sweet tooth but a lack of protein.

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Dry skin: Protein is the building block of our hair, skin and nails. So if you once had glowing skin but now it is dry and flaky, time to up your protein intake.

All-day tiredness: Do you feel tired all the time? Many do. Most people blame it on stress at work or at school. But it may be your body’s way of telling you that you lack protein in your diet. It helps you to stay alert.

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Hair thinning: We have already told you that protein is the building block of hair. Your beautiful hair needs amino acids to remain the way they are. So if you find your ponytail thinning, that is a message: more protein, please.