The present invention relates to a biscuit comprising guar gum characterized in that said guar gum is a native guar gum with a length between 0.25 and 8 mm, a width between 0.18 and 2 mm and an average length to width ratio between 1.8 and 6. The invention also relates to the use of said biscuit to help control the blood glucose level in healthy subjects or in subjects suffering from insulino-resistance or diabetes and especially type-2 diabetes and/or to actively lower blood LDL-cholesterol concentration or to maintain normal blood cholesterol concentrations for healthy subjects or subjects at risk of cardiovascular disease. The invention also relates to the use of said biscuit to increase the feelings of satiety, and/or to decrease the food intake and/or to contribute to weight management.