New Roots Herbal Sterols & Sterolins Cholesterol - Sterols are plant fats and alcohols that have gained in popularity and recognition in recent years. They have a positive effect on negative cholesterol levels and HDL/LDL ratios. Phytosterols and sterolins are plant fats and alcohols. They were originally suspected of being good immune modulators, but more recently, their ability to modulate and lower cholesterol has moved to the forefront. New Roots Herbal Sterols and Sterolins Cholesterol provides sufficient potency for therapeutic effect.