• Gooseberry Falls Black and White in the Rain
    Welcome to Master Supplements Inc.
    We believe in honesty, hard work, and most importantly, helping people.
    We're proud of the efficacy of our products and we're committed to getting them
    into the hands of those who need them.
    Gooseberry Falls, Minnesota
  • Cyclist Climbing Wall
    Advanced Probiotic
    for Digestive Regularity
    To feel your best,
    take the best
    Theralac Bottle
  • Mom and Child at Ocean
    You care about what's
    inside the products you
    give your family
    We do too.
  • Runner Stretching on the Pier
    Discover the importance
    of Probiotic Rotation
    Theralac Bottle
    TruFlora Bottle

Master Supplements is raising the standard.

Master Supplements Inc. specializes in probiotics, digestive enzymes and prebiotics. We utilize patented acid proof delivery, a unique multi-faceted prebiotic and third party testing on every lot. Theralac®, TruFlora®, Enzalase®, TruFiber® and the professional only: TruBifido all raise the standard on digestive health. We're proud of the efficacy of our products and we're committed to getting them into the hands of those who need them. As a company we believe in honesty, hard work and most importantly, helping people.

Our Products



Helps you stay regular.

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Granular Theralac

Granular Theralac®

For all! Easy to take!

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Enzymes for active digestion.

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Bio-cleansing probiotic.

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Fiber PLUS bifidogenic enzymes.

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Latest Blog Posts

Probiotic rotation can enhance overall microbial biodiversity in the G.I. tract.  The premise is that undesirable bacteria and microorganisms will be more effectively defeated by a larger contingency of probiotic strains. For example, certain probiotic strains colonize more effectively in specific areas of the G.I. tract – Lactobacilli do better in the small intestine while Bifidobacteria prefer the colon.

Master Supplements Inc., well known for their medical strength probiotic ...

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Everyone is very familiar with antibiotics and their intended goal - to kill harmful bacteria that cause us to be sick. The conundrum here is that antibiotics also kill the beneficial bacteria that live in our digestive tract, which can cause other issues such as diarrhea or lowered intestinal immunity.

It is for this reason that it is STRONGLY recommended that patients take a daily probiotic whenever their doctor prescribes an antibiotic. BUT - it must be done far enough apart from the...

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To keep your intestinal tract healthy and your bowels regular it is important to eat at least 25 grams of fiber daily. There are two fiber types, insoluble and soluble, and neither is digested by enzymes produced in the human body.

Insoluble fiber, known as roughage, is mostly composed of cellulose and serves as a bulking agent in the intestinal tract. A bran muffin contains insoluble fiber. Soluble fiber, the real star of the fiber show, performs vital prebiotic functions in the intestinal...

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ENZALASE® contains 12 high potency digestive enzymes, the stated activity of each enzyme is guaranteed through the expiration date printed on the product’s label. All 12 enzymes are protected from stomach acid and pepsin by a food grade, carbohydrate from seaweed called sodium alginate (Patent Pending). This acid-proof protection assures that the enzymes in ENZALASE® will get delivered unharmed and fully active into the small intestine where they complement the body’s...

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The human body uses over 100,000 enzymes -- about a dozen are responsible for digesting the food we eat. As we age, our body's production of these digestive enzymes decreases by 1 to 2 percent per year. Aging also decreases the number of beneficial probiotic bacteria in our intestinal tract. Genetic, environmental and dietary factors can cause these negative effects in younger people as well.

ENZALASE®, the enzyme master supplement, rejuvenates your digestive system with 12 high potency...

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Enzalase®, with one US patent and two others pending, is the most advanced digestive enzyme supplement available. The following information summarizes the technologies that underpin these discoveries:

Patent #1: Enhancement of Fat Digestion (US Patent 8,066,986).

Enzalase® contains 6,000 FIP Units of lipase activity, the principal enzyme responsible for fat digestion. This amount of lipase is much higher than what is found in other enzyme supplements. Since lipase is one of the most...

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