The abundance of mineral salts makes fucus a mineralizing plant. Because of its mucilage content, it has an appetite satiating effect, and it has been found that fucus and other brown algae inhibit ?-amylase and ?-glucosidase enzymes that are essential for the assimilation of some carbohydrates.
The European Medicine Agency (EMA) recommends its traditional use as an adjunct to low-calorie diets to help weight loss in overweight adults, only after the presence of serious diseases has been excluded by a doctor.
Another study suggests the possible use of fucus in alleviating the symptoms of skin aging, by preventing the reduction of the thickness of the dermis and to increase its elasticity.
Tea leaves, which after harvesting, are stabilized by steam pressure, preventing enzymatic oxidation.