
Via theMuninn blog., here's an advertisement/article from page three of the April 7th issue of The Japan Gazette 1915.
How Thin People Can Put On Flesh
A New Discovery Thin men and women - that big, hearty, filling dinner you ate last night. What became of all the fat-producing nourishment it contained? You haven't gained in weight one ounce. That food passed from your body like unburned coal through an open grate. The material was there, but your food doesn't work and stick, and the plain truth is you hardly get enough nourishment from your meals to pay for the cost of cooking...with every one of those a single Sargol tablet. In two weeks note the difference. Five to eight good solid pounds of healthy, "stay there" fat...more....