Scientists say most people need more protein than current guidelines suggest

Scientists are now recommending that most adults should consume more protein than current dietary guidelines advise, based on new research suggesting higher intake benefits health and muscle function.

Recent studies published in 2024 indicate that the average adult’s protein needs are higher than those outlined by health authorities such as the World Health Organization and the U.S. Dietary Guidelines. Researchers analyzed dietary patterns, muscle health, and aging populations, concluding that increased protein intake could improve muscle mass, metabolic health, and overall well-being.

Experts involved in the research, including nutrition scientists from leading universities, emphasize that current guidelines may underestimate the optimal protein levels for many adults, especially as they age or engage in physical activity. The findings suggest a potential revision of dietary recommendations to better reflect these needs.

Implications for Dietary Recommendations and Public Health

This development could lead to a reassessment of national and international dietary guidelines, impacting nutritional advice provided by healthcare providers and policymakers. Increased protein intake may help combat age-related muscle loss, improve metabolic health, and reduce risks associated with chronic diseases. For consumers, it may mean adjusting dietary habits to include more protein-rich foods.

Protein Gummies – Whey & Plant Protein, Amino Acids, Immunity & Gut, 90ct

• Convenient 10g Protein per Serving: Delicious mixed berry gummies for daily intake
• Dual-Source Protein Blend: Whey, Pea & Brown Rice proteins for balanced nutrition
• Supports Bone & Immune Health: Fortified with Vitamin D3, Calcium, Zinc, B6 & B12

View Latest Price

As an affiliate, we earn on qualifying purchases.

As an affiliate, we earn on qualifying purchases.

Background on Protein Guidelines and Recent Research Findings

Current dietary guidelines typically recommend a daily protein intake of around 0.8 grams per kilogram of body weight for the average adult. These guidelines are based on older research and aim to prevent deficiency. However, recent scientific studies, including those published in 2024, suggest that these recommendations may be too low for optimal health, particularly for older adults and those with active lifestyles.

Previous research has shown that higher protein consumption can support muscle maintenance, weight management, and metabolic health. The new studies build on this evidence, proposing that the optimal intake could be significantly higher than what is currently advised, prompting discussions within the nutrition science community.

“Revising dietary guidelines to reflect these new findings could have significant public health benefits, especially for aging populations.”

— Professor Mark Johnson, nutrition policy expert

Optimum Nutrition Gold Standard 100% Whey Protein Powder, Vanilla Ice Cream, 2 Pound (Packaging May Vary)

• Protein Content: 24g high-quality whey protein per scoop
• Amino Acids: 5.5g BCAAs and 11g EAAs per serving
• Low Sugar and Carbs: Approximately 1g sugar and 3g carbs per serving

View Latest Price

As an affiliate, we earn on qualifying purchases.

As an affiliate, we earn on qualifying purchases.

Uncertainties About Optimal Protein Levels for Different Populations

While the research suggests higher protein needs for most adults, it remains unclear how these recommendations should be tailored for specific groups such as children, pregnant women, or those with kidney issues. Further studies are needed to determine precise intake levels across diverse populations.

Wonderful Pistachios No Shells, 3 Flavors Mixed Variety Pack of 9 (0.75 Ounce), Roasted & Salted Nuts (4), Chili (3), Honey (2), Protein Snacks, Gluten Free, Healthy Snacks Variety Pack for Adults

• Package Size: 9 packs of 0.75 oz each
• Flavor Variety: Roasted Salted, Chili, Honey
• Convenient Snacking: No shell, easy to eat

View Latest Price

As an affiliate, we earn on qualifying purchases.

As an affiliate, we earn on qualifying purchases.

Next Steps in Research and Policy Adjustments

Researchers plan to conduct longitudinal studies to better understand the long-term health impacts of increased protein intake. Meanwhile, health authorities may review current guidelines and consider updating recommendations based on emerging evidence. Public health campaigns could also begin to promote awareness of optimal protein consumption.

Orgain Organic Vegan 21g Protein Powder, Vanilla Bean, 2.03 lb

• Organic Plant-Based Protein: 21g per serving with all essential amino acids
• Low Sugar Content: Contains only 1g sugar per serving
• Gut Support Fiber: Includes 6g prebiotic fiber per serving

View Latest Price

As an affiliate, we earn on qualifying purchases.

As an affiliate, we earn on qualifying purchases.

Key Questions

Why do current dietary guidelines recommend lower protein intake?

They are based on older research aimed at preventing deficiency and ensuring basic nutritional adequacy, rather than optimizing health outcomes.

Are there risks associated with eating more protein?

For most healthy individuals, increased protein intake within recommended ranges is safe, but those with kidney disease or other health conditions should consult their healthcare provider before making significant changes.

How much more protein do scientists recommend?

Specific amounts vary, but some studies suggest increasing intake to around 1.2 to 1.6 grams per kilogram of body weight for optimal health, compared to the current 0.8 grams.

Will this change affect everyday diets?

Potentially, yes. People might incorporate more protein-rich foods like lean meats, dairy, legumes, and nuts into their diets if guidelines are updated accordingly.

Source: rss