Solidages is a medical research laboratory to improve nutrition and oral health for elderly and diseased people. Since 2009 we finalized Protibis cookies. It is a high-protein nutritional supplement to gain weight for the malnourished patients. It is an alternative to drinks and milky creams that are usually distributed. Clinical trials show that they increase the weight and the appetite, and decrease diarrhea and pressure sores. The cookies texture restores the pleasure to crunch. They are efficicient with elderly and diseased people who have Alzheimer, cancers, dialyses, etc. Protibis cookies arise from the research at Nice University Hospital and are sold in pharmacies, hospitals and retirement homes.