TPA PowderThe original. Still unmatched. Your immune system doesn't get weaker as you age because something goes wrong. It gets weaker because something stops. The thymus gland quietly shrinks over time, and the protein it produces disappears with it. TPA Powder puts that protein back. One packet under your tongue. Thirty five years of trust behind it. Most immune supplements push harder. TPA works differently. Instead of stimulating your immune system

Same 12 trillion active molecules per serving

this slots right in

ProBoost Thymic Protein A: 10-ct Trial Pouch

Instead of stimulating your immune system indiscriminately

which consists of one to three tablets daily

Some prefer a tablet they can take anywhere

4mcg/serving ProBoost powder packets with our low-dose

click on the individual links to read more

no dissolving tablets

That's not immune boosting

What’s New

The capsule is delayed-release