Functionality of alginate based supplements for application in human appetite regulation

► Alginate solutions with low M:G ratio exhibited larger gel strength compared to solutions with higher M:G ratios. ► Water retention capacity were highest for alginate with M:G ratio of 0.8 compared to alginate with M:G ratio of 1.3 and 2.5. ► Prospective food consumption decreased and fullness increased after alginate with low M:G ratio. ► Decreased spontaneous food intake by 10% after consumption of the alginate formulation with low M:G. ► The alginate fibre was well tolerated.