Product Description ProBoost Thymic Protein A: 10-ct Trial Pouch. Back in stock, while supplies last! Our original, best selling product, in a 10-packet, trial-size pouch. Each packet has 4 micrograms (12 Trillion active molecules) of Thymic Protein A per serving. And with 10 packets, you'll have just enough to see if it provide that immu
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Spectacular!
Proboost was recommended for my cat to boost immunity during recovery from FIP. My cat takes it daily. I’ve noticed that his coat is more silky, too.
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Jennifer · December 15, 2023
Proboost
Amazing. I use it on felv cats and it improves appetite and condition. Thank you so much. 😻