HIFAS-Lentinan is the natural ally for immune system support, thanks to its natural vitamin C content, which contributes to maintaining a normal immune system. It is available in liquid form. This supplement is based on Lentizumib®, an active, concentrated, and potent beta-glucan obtained from Shiitake (Lentinula edodes). It is alcohol-free, suitable for celiac and lactose intolerant individuals, and vegans. Hifa da Terra products do not contain heavy metals or pesticides. Oral solution in a 30 mL glass bottle with a dosing pipette. Directions for use: 20 drops/day (1 mL), preferably administered sublingually on an empty stomach in the morning. It can also be dissolved in water, other liquids, or liquid or creamy foods such as yogurt, soups, or smoothies at room temperature. Recommended treatment duration: minimum 2 months. A healthcare professional may prescribe a different duration based on needs.