Theralac 30 billion probiotic for complete digestive health

Complete Probiotic for Digestive Health

Theralac probiotic contains 5 reliable and well-researched strains of beneficial bacteria carefully selected for their ability to support gut health and promote diversity throughout your microbiome. When taken daily, the combined 30 billion probiotic Lactobacillus and Bifidobacteria strains help ease bowel movements, maintain regularity, and improve nutrient absorption.

Each capsule contains our patented prebiotic and acid proof protection to ensure that the probiotics within arrive safely and grow actively in your digestive tract. Additionally, we post third-party lab test results online that verify potency, purity, and activity through expiration and all Master Supplements products are backed by our 60 day money back guarantee! What do you have to lose?


"I’ve been taking Theralac for the past 5 days and my bm has never been so good in my whole life!"

Five Star Review Left By Allison on - Allison on

"Did Theralac about 3 years ago, short on money I switched to something else, now I'm back. I would rather have something that works than just flush money down the toilet."

Five Star Review Left By Gregg on - Gregg on

probiotic bacteria

Complete Support

Lactobacillus probiotics grow within the small intestine whereas Bifidobacteria prefer the colon. Theralac uses compatible strains to fortify your microbiome throughout your digestive system.

digestive enzymes

Unrivaled Technology

Our acid proof protection protects probiotics better than any delayed release capsule and our prebiotic, Lactostim, stimulates the growth of probiotic bacteria faster than any other prebiotic.

money back guaranteed

Satisfaction Guaranteed

If, for any reason, you are not happy with Theralac, you can return your order to Master Supplements within 60 days for a full refund!

Theralac Supplement Facts

Serving Size: 1 capsule

Servings per Bottle: 30

Probiotic BlendAmount Per Serving% Daily Value
Lactobacillus acidophilus
(Strain LA-1)

10 billion CFU*

Bifidobacterium lactis
(Strain BL-04)

10 billion CFU*

Lactobacillus rhamnosus

(Strain LR-32)

2 billion CFU*

Lactobacillus paracasei
(Strain LPC-37)

5 billion CFU*

Bifidobacterium lactis
(Strain Bi-07)

2 billion CFU*

** Daily Value not established

Other Ingredients: Microcrystalline Cellulose, Sodium Alginate, Hydroxypropylmethylcellulose (vegetable capsule), Trisodium Phosphate, Magnesium Stearate, Silicon Dioxide, Calcium Silicate, Ascorbic Acid (Vitamin C), Lactostim® (Sunflower Lecitin and Oleic Acid).

*CFU = Colony Forming Units

Contains No: Milk, Eggs, Gluten, Wheat, Soy, Casein, Nuts, Seafood, GMOs, or Beef Products

Probiotic bacteria attach to the soft lining (wall) of your intestinal tract and help reinforce the healthy structure and function of your GI... Read more
We do not. To study the effects heat has on our products, we placed a bottle of Theralac in a 100 degree F temperature controlled environment for 14... Read more
Your intestinal tract contains over 100 trillion microorganisms from over 1,000 different species. Probiotic bacteria, including those in our... Read more

This Supplement is Gluten Free, Dairy Free, Nut Free, Soy Free, Vegan, and Non-GMO.