Fast Heartburn Relief. ProDigestive™ Enzymes. Fresh Breath Axia3 s specially formulated Trigestive™ blend of ProDigestive enzymes promotes proper digestion. Axia3 relieves occasional digestive discomfort, sour stomach, indigestion and heartburn.** Axia3 ProDigestive is the first ALL-NATURAL antacid that contains a robust proprietary Trigestive® enzyme blend that stops heartburn fast and continues to promote digestion. This is a very key factor that is especially being embraced by pregnant women, cancer patients and people who are trying to wean off prescription antacids. Most pregnant women understand the importance of enabling your body to absorb essenti.