Dietary Supplement, Laxative Uses Supplement: Diets low in saturated fat and cholesterol that include 7 grams of soluble fiber per day from psyllium husk, as in HYDROCIL INSTANT, may reduce the risk of heart disease by lowering cholesterol. One ADULT dose of HYDROCIL INSTANT has 2.4 grams of this soluble fiber. Laxative: For relief of occasional constipation (irregularity). This product generally produces bowel movement in 12hrs to 3 days. Dissolves instantly. No sugar, artificial flavors, colors or sweeteners. Safe for diabetics.Directions Supplement: Adults 12 years and older: 1 PACKET in 8 ounces of liquid 3 times daily. Children under 12 years: Consult a doctor. Notice: Take this product with at least 8 ounces (a full glass) of liquid. Taking without enough liquid may cause choking. Do not take if you have difficulty swallowing. Laxative: Put Hydrocil into empty glass; fill with at least 8 fluid ounces of water or juice. Stir briskly. Drink promptly. If mixture thickens, add more liquid and stir.