how much protein do you need a day

The amount of protein you need daily depends on factors like your weight, age, activity level, and health goals, but most adults aim for around 0.8 grams per kilogram of body weight as a baseline.

Baseline Needs

Health experts like those at UCLA Health and the American Heart Association recommend 0.8 grams of protein per kilogram (or 2.2 pounds) of body weight for the average sedentary adult.

For a 150-pound (68 kg) person, that's roughly 55 grams per day—about 10-35% of total calories.

This prevents deficiency and supports basic functions like muscle repair and immunity.

Adjusted for Goals

Active folks or those building muscle often need 1-1.6 grams per kg; for the 150-pound example, that's 68-110 grams.

Weight loss? Target 1-1.2 grams per kg (68-82 grams for 150 pounds) to stay full and preserve muscle.

Older adults over 65 or those with conditions like diabetes may need more, up to 1.2-1.6 grams per kg.

Goal| Grams per kg| Example: 150 lb (68 kg) Person
---|---|---
Sedentary Adult 17| 0.8| 55g/day
Muscle Building 3| 1-1.5| 68-102g/day
Weight Loss 3| 1-1.2| 68-82g/day
Athletes/65+ 1| 1.2-1.6| 82-109g/day

Protein Sources

Aim for variety: lean meats, eggs, dairy, beans, nuts, and tofu all count.

Quick daily example: Breakfast oatmeal with nuts (20g), lunch chicken salad (30g), dinner salmon and quinoa (30g), snacks Greek yogurt (15g)—hits 95g easily.

Plant-based? Combine sources like rice and beans for complete proteins.

Common Myths Busted

Many overestimate needs—most Americans already get plenty, but quality matters over excess.

"Adding more protein than 1.5g/kg won't supercharge muscle growth."

Consult a dietitian for personalized advice, especially with health issues.

TL;DR: Start with 0.8g/kg body weight (e.g., 55g for 150 lbs), scale up for activity/goals, and spread intake across meals.

Information gathered from public forums or data available on the internet and portrayed here.