Sarcopenia
Protein intake and physical activity are important stimuli for muscle protein synthesis. A number of expert groups have proposed an increase in dietary protein recommendations for older age groups to 1.0-1.2 g/kg body weight per day.
Key nutrient supplementation in older adults is of interest in the prevention of sarcopenia and frailty, since it is a simple, low-cost treatment approach without major side effects.
Essential fatty acid
Reference intake values for as published by the Panel on Dietetic Products, Nutrition and Allergies of the European Food Safety Authority (EFSA).
In the United States, the recommendations for omega-3 fatty acids covers ALA, EPA and DHA, and for adults the values are 1.6 g/day for men and 1.1. g/day for women. The recommendation for omega-6 fatty acids is for linoleic acid: 17 g/day for younger men, dropping to 14 g/day for older men; for women 12 and 11 g/day.