"Usable form" refers to the state of something being easily used, understood, or accessed by people. It implies that the thing is in a format or condition that can be effectively utilized without difficulty. Full definition
One of the many benefits is that cells are getting a higher volume and a more usable form of nutrients. (wellnessmama.com)
Major dog food companies make every effort to not only balance ingredients, but also provide the ingredients in usable form to provide balanced proportions of vitamins and minerals for maximum benefit. (puppy-basics.com)
The body needs to convert this hormone to T3, a more usable form. (thyroidpharmacist.com)