1. Transfer Point Beta Glucan
Transfer Point makes the most well-studied and researched beta glucan supplement. Beta 1,3-D Glucan supplements contain beta-glucan, a type of soluble fiber found in various sources such as yeast, mushrooms, and oats. Beta glucans are immune modulators that keep your own immune cells active and alert. Your own active immune cells can then target bacteria, viruses, fungi or cancer cells. The recommended dosage for prevention is one capsule daily.