How Much Protein Do You Need In A Day?

Key Takeaways:

• Start With Your Weight: The baseline is about 0.8g of protein per kilogram of body weight, but many people benefit from more.
• Goals Shift the Number: Losing weight, building muscle, or aging all push your daily protein requirements higher.
• Spread It Out: Splitting protein across meals helps your body use it better than one big serving.

Most people know protein matters, but fewer know how much they actually need. The answer isn't one-size-fits-all, and the generic recommendations rarely account for age, activity level, or specific health goals.

Koia has spent years formulating protein products across a range of needs, from 9g for kids to 32g for serious athletes, which means understanding daily protein requirements isn't abstract. It's built into every product decision.

In this piece, you'll find a clear breakdown of daily protein requirements by goal, lifestyle, and life stage, making it straightforward to hit your number.

How Much Protein Do I Need A Day, On Average

For most healthy adults, the recommended dietary allowance (RDA) is roughly 0.8 grams of protein per kilogram of body weight per day—the minimum needed to prevent deficiency and support basic bodily functions. But "average" hides a lot of nuance. Here's the quick math and where the guidelines are headed.

The Standard Baseline

A person who weighs 165 pounds, or 75 kilograms, should consume 60 grams of protein per day at the 0.8 g/kg baseline.

Why Experts Say Aim Higher

The adult RDA remains 0.8 g/kg/day, while the 2025–2030 Dietary Guidelines recommend a higher target range of about 1.2 to 1.6 grams per kilogram for health promotion, raising the recommendation for a 150-pound person to about 82–109 grams per day. The higher target simply reflects optimal health, not just the avoidance of deficiency.

Daily Protein Requirements: How They Change Based On Who You Are

Protein needs aren't universal; they vary with age, activity level, body composition, and health goals.

• Sedentary adults: Around 0.8g of protein per kilogram of body weight per day — the baseline minimum for basic maintenance and tissue repair.
• Active adults: 1.2–1.6g per kilogram per day to support muscle recovery and energy demands from regular exercise.
• Athletes and heavy trainers: 1.6–2.2g per kilogram per day to fuel performance, rebuilding, and adaptation.
• Older adults: 1.2–1.6g per kilogram per day to counteract natural muscle loss that accelerates with age.
• Children and teens: Ranges from 13g per day for toddlers to 52g per day for teenage boys, depending on age and sex.
• Pregnant individuals: An additional 25g per day above baseline to support both maternal health and fetal development.

The key takeaway: daily protein requirements are a moving target. Knowing your specific context matters far more than following a generic one-size-fits-all recommendation.

How Much Protein Should I Eat Per Day To Lose Weight, Build Muscle, Or Stay Healthy?

How much protein you should eat per day depends on your goal; maintenance sits near the baseline, while weight loss and muscle building both call for more.

To Lose Weight

Most people need 1.2–1.6 grams of protein per kilogram of body weight per day to lose weight effectively while preserving lean muscle mass—about 80 to 110 grams for someone who weighs 150 pounds.

To Build Muscle

About 1.6 g/kg/day is a well-supported target for maximizing resistance-training adaptations, while intakes of roughly 2.2 g of protein per kg of body weight per day may be reasonable for some individuals when paired with regular resistance training. That said, no further increase in muscle gain was observed with protein intakes above 1.6 g/kg/day in either trained or untrained participants.

To Stay Healthy

For general maintenance, the 0.8–1.2 g/kg range covers most people. Protein should account for 10% to 35% of your calories.

Signs Of Getting Too Little Or Too Much Protein

Both extremes send signals. Too little protein slows your body's ability to repair and maintain itself.

Not Enough

Protein undernutrition results in stunting, anemia, physical weakness, edema, vascular dysfunction, and impaired immunity.

Too Much

There is no official upper limit for protein intake, but intakes above about 2 grams per kilogram of body weight each day are generally considered high and may be unnecessary for many non-athletes. Beyond that, consuming extra protein often comes from eating meats high in saturated fats, which can contribute to elevated LDL—or "bad"—cholesterol levels.

How To Hit Your Daily Protein Requirements Without Overthinking It

You don't need a spreadsheet. A few simple habits do most of the work.

Spread It Across the Day

It's better to distribute your protein intake evenly throughout the day.

Favor Whole Foods, Fill Gaps Smartly

Most people can meet their protein needs by enjoying a variety of protein sources, favoring plant-based foods such as beans, lentils, nuts, seeds, and soy. When life gets busy, Koia's ready-to-drink Protein Shakes are an easy way to close the gap, no prep, no chalk.

For those who prefer to mix their own, our Protein Powder gives you the same clean, plant-based nutrition with a little more flexibility in how you use it.

Final Thoughts

There's no single magic number, but the direction is clear: most people benefit from more protein than the old baseline, adjusted for age, activity, and goals. Start with your body weight, aim higher if you're active or aging, and spread intake across meals. Koia makes the "how" simple, clean plant protein that actually tastes good, built for real life.

Frequently Asked Questions About How Much Protein Do You Need In A Day?

How much protein do you need by age?

Needs rise with age, adults start near 0.8 g/kg, but expert groups most commonly recommend 1.0–1.2 g/kg for adults over about 65 to help fight muscle loss.

Is 2 eggs a day enough protein?

No, two eggs give about 12g, only a fraction of the 50–110g most adults need daily, so pair them with other protein sources.

What are the 5 highest protein foods?

Lean chicken, fish, eggs, Greek yogurt, and legumes like lentils and soy top the list; a Koia Elite shake adds up to 32g per serving.

How do I calculate my personal daily protein requirements?

Multiply your body weight in kilograms by your goal factor, 0.8 for baseline, 1.2–1.6 for weight loss, or 1.6–2.2 for muscle building.

Can I get enough protein on a plant-based diet?

Yes, a variety of plant-based foods like beans, lentils, nuts, seeds, and soy easily cover your needs, and plant protein shakes make it effortless.

Can you eat too much protein, and is it bad for you?

There is no official upper limit for protein, but intakes above about 2 grams per kilogram of body weight each day are generally considered high and may be unnecessary for many non-athletes.

Disclaimer:

This article is for informational purposes only and is not intended as medical advice. Consult a healthcare professional before making changes to your diet, especially if you have a medical condition.

Sources:

1. U.S. Department of Agriculture & U.S. Department of Health and Human Services. (2026). Dietary Guidelines for Americans, 2025–2030. https://cdn.realfood.gov/DGA.pdf
2. Wu, G. (2016). Dietary protein intake and human health. Food & Function, 7(3), 1251–1265. https://pubmed.ncbi.nlm.nih.gov/26797090/
3. Morton, R. W., et al. (2018). A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. British Journal of Sports Medicine, 52(6), 376–384. https://pubmed.ncbi.nlm.nih.gov/28698222/