In its announcement of the seed money, the company, Elevian, said its goal was to develop new medicines that increase the activity levels of the hormone GDF11 to potentially prevent and treat age-related diseases. It described research by its founders, which include Harvards Amy Wagers and Richard Lee, as demonstrating that replenishing a single circulating factor, GDF11, in old animals mirrors the effects of young blood, repairing the heart, brain, muscle and other tissues. Other respected labs in the field have either failed to replicate or contradict key elements of their observations
This makes sense, since a big part of how they work is by slowing down how quickly your stomach empties, which helps you feel full longer
A healthcare professional administers the injection in a quick session, typically in the upper arm or hip
But the scale alone doesn't tell the whole story