ProBoost Thymic Protein A: 30-ct BoxProduct Description ProBoost Thymic Protein A: 30 pack. Our original and best selling product contains 30 single serving powder packets of ProBoost. Each packet has 4 micrograms (12 Trillion active molecules) of Thymic Protein A per serving. For over 26 years, people have been using ProBoost as their go to supplement to help support their immune system. ProBoost brand products are still the only products to feature our patented active ingredient,

No pills to swallow

30 Day Money-Back Guarantee

Consistent support is smarter support

Prefer the powder packets over the capsules

taken under the tongue for the fastest absorption

Most immune supplements are reactive

Non-GMO Ingredients

Trusted for over 35 years

they're one of the easiest ways to begin

TPA Tablets are designed for exactly that — a simple

Our original

Some people love the powder