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Nutrient composition

Essential amino acid and carbohydrate supplementation ameliorates muscle protein loss in humans during 28 days bedrest


Bed rest studies revealing a “horrifying” loss of muscle mass in older people after just a few days of inactivity should serve as a wake-up call for industry to put tackling sarcopenia higher up the priority list, scientists have argued.

Speaking at the IFT show earlier this month, Dr Douglas Paddon Jones at the University of Texas medical branch, said: “If you put healthy people in their 70s* in bed for 10 days, they can lose 10 percent of their total lean leg mass. That’s a tremendous muscle loss.”

Protein supplementation lowers blood pressure in overweight adults: effect of dietary proteins on blood pressure (PROPRES), a randomized trial

Dietary protein intake may help to manage blood pressure (BP) and prevent complications associated with elevated BP.

The objective of this study was to determine whether 4 wk of increased protein intake (∼25% compared with ∼15% of energy intake that isoenergetically replaces carbohydrate intake) lowers office and daytime BP compared with increased carbohydrate intake.