In that study, subjects gained just over three pounds of muscle and the resting metabolic rate increased by 7.7 %! (personalfitnessadvantage.com)
Their initial results were all astounding, with many positive signs of increased metabolic rate with several ancillary benefits noticed as well, such as better vision and enhanced exercise performance. (180degreehealth.com)
And that was with an increase in metabolic rate by 16 % over a 24 - hour period. (instantknockout.com)