Adult Protein Intake Fell Short Across Common Diets
Adults in their 70s frequently missed recommended protein levels regardless of whether they ate vegan, vegetarian, or omnivorous diets.
Updated on Sept. 18, 2026 in Vegetarian
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Do you actively track your daily protein intake to help maintain your strength as you age?
A study published September 18, 2026, found that many adults aged 72 to 80 did not meet recommended dietary allowances for protein. The research highlights a potential nutritional gap for older adults across various dietary patterns.
Why it matters
Inadequate protein intake is linked to the loss of muscle mass, strength, and physical function in aging populations. Understanding these gaps can help older adults make more informed decisions about their nutritional needs to maintain independence.
In an observational study of adults aged 72 to 80, researchers evaluated three days of dietary logs to compare protein and micronutrient intake. The findings indicated that a significant percentage of participants across all diet types failed to meet recommended protein thresholds.
The players
The Journal of Nutrition
A peer-reviewed scientific publication that covers advances in nutritional science and dietary research.
The details
Researchers analyzed food and beverage logs to assess total calorie intake, overall protein consumption, and meal-specific protein quality. They found that breakfast meals consistently scored the lowest in protein quality throughout the study period. Furthermore, vegan participants reported lower total energy intake and failed to reach recommended levels for essential micronutrients like calcium, iron, zinc, folate, and vitamins B12 and D.
Timeline
September 18, 2026: The study was published in The Journal of Nutrition.
Health Landscape
The study sits within the broader context of ensuring older adults meet the Recommended Dietary Allowance (RDA) for protein to combat age-related muscle loss. It complicates current dietary guidance by highlighting how common eating patterns may inadvertently lead to nutritional deficiencies in older age.
If you are in your 70s, it may be worth discussing your current daily protein and micronutrient intake with your doctor to ensure it aligns with your health needs. Tracking your typical daily food intake can provide useful information for a primary care provider or a registered dietitian.
The takeaway
Maintaining adequate protein intake is a critical factor in preserving muscle mass and physical function during your 70s. Reviewing your daily intake of key nutrients with a healthcare professional can help you optimize your diet to support long-term mobility and strength.
Further reading
For more information on balanced eating, see our Vegetarian nutrition guide.
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Do you actively track your daily protein intake to help maintain your strength as you age?
