Protein is vital for building and maintaining muscles, supporting immunity, and keeping your body functioning at its best. But your ideal amount isn’t the same as your friend’s – it changes with your age, gender, and lifestyle. Here’s what research suggests.
Children (4–8 years)

At this stage, growth is rapid, and protein supports healthy development. The average requirement is about 19 grams a day, which can be met through lean meats, dairy, beans, or nuts.
Pre-teens (9–13 years)

Boys and girls in this age range need roughly 34 grams daily to fuel growth spurts and increased activity. Balanced meals and snacks are essential.
Teenage boys (14–18 years)

With intense growth and often higher activity levels, the recommended amount jumps to about 52 grams per day. Sports and physical hobbies may require even more.
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Teenage girls (14–18 years)

Girls at this age typically need about 46 grams a day. Hormonal changes and bone development make steady protein intake important.
Adult men (19–50 years)

Men in their prime should aim for roughly 56 grams a day, though active individuals often benefit from 1.2–2 grams of protein per kilo of body weight.
Adult women (19–50 years)

The baseline is around 46 grams a day, but activity level matters. Women who are pregnant or breastfeeding may need 70 grams or more daily.
Older men (51+)

Muscle mass naturally declines with age, so protein becomes even more important. Around 56–70 grams daily can help preserve strength and mobility.
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Older women (51+)

To counteract muscle and bone loss, older women benefit from 46–60 grams daily, depending on activity and health status.
Pregnant individuals

Pregnancy raises protein needs to about 71 grams per day to support the baby’s development and maternal health.
Athletes of any age

Those engaged in intense training may require 1.2–2 grams of protein per kilo of body weight – significantly above the general recommendations.
This article is based on information from Healthline.com
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