Gelmix is an organic thickening powder for use with breast milk, formula and other liquids. Gelmix consists of an off-white fine powder that is tasteless, odorless and smooth when dissolved. The natural thickening properties of Gelmix activate in warm liquid, so Gelmix can be used with any liquid that is be warmed first.

Thickening liquids is sometimes recommended for infants with spit-up or vomiting, often present in conditions such as gastroesophageal reflux disease. Thickening is also recommended for children and adults with swallowing difficulties, present in conditions such as dysphagia. In all cases, any changes to the diet should always be in consultation with a physician.