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Houston Enzymes provides expertly formulated enzyme products as dietary supplements. Each enzyme product is formulated by Dr. Devin Houston, an enzyme biochemist with 30+ years of...

Coenzyme Q10

CoQ10 is a biologically active quinone found in every cell of the body.  It is a cofactor in the electron transport chain, the biological pathway in...

TriEnza 180 - 180 Capsules (90 doses)

*SAVE 15% on TriEnza 180 count capsule product with code TRIENZA15 * This is the economically-sized version of TriEnza.  Contains 180 capsules of our broad-spectrum combination enzyme product....


TriEnza is a broad-spectrum formulation that combines the best of our AFP Peptizyde, Zyme Prime, and No-Fenol into one product. Two (2) capsules* or four (4) chewable...

No-Fenol Powder - 200 dose bulk powder with cellulose

1/4 teaspoon is equivalent to 1 capsule of No-Fenol.  Contains cellulose and medium chain triglyceride oil (MCT oil).

Coenzyme Q10 - 30 softgels

CoQ10 is NOT an enzyme, it is a cofactor in the electron transport chain involved in the synthesis of ATP, the cellular form of energy.  It...

Nordic Berries - 120 Gummy Berries

Great tasting multi-vitamin in a gummy form!  Produced by Nordic Naturals.

Super Stress Complex

B-Complex vitamins with 600 mg Vitamin C and 100 mg magnesium per tablet. Produced by Reliance Vitamins.  Not formulated by Houston Nutraceuticals, Inc.

Children's Acidophilus

Children's Acidophilus is a high-potency, multiple species probiotic supplement.  It provides three of the best probiotic strains for children in amounts that will support and nurture...

Children's Acidophilus - 60 microencapsulated tablets

This item is made for Houston Enzymes by Reliance Vitamins.  Great for kids who can't swallow capsules and has a good-tasting grape flavor.  NO refrigeration needed,...

Suprema Dophilus Probiotic - 120 Vegetarian Capsules

New Formulation!  Higher Potency!  Acid Resistant!  

Milk Thistle - Extract 175 mg. - 240 doses

80% Silymarin, 140 mg per capsule.

Olive Leaf Extract - 60 Capsules, 500 mg

12-16% Oleuropein, 60-80 mg per capsule.

ProDHA from Nordic Naturals

ProDHA™ from Nordic Naturals is a high-potency formula perfect for children, teenagers, and pregnant women. DHA is an essential nutrient for brain health, and original research...

ProDHA from Nordic Naturals - 90 Soft Gels

Strawberry flavored Omega-3 supplement for children 2 years and up. Every batch of all Nordic Naturals fish oils is third-party tested, showing undetected levels of heavy metals,...

Flax Oil, Organic - 90 Softgels, 1000 mg

Flax oil is a source of alpha-linolenic acid, cis-linoleic acid and oleic acid.  100% cold expeller pressed and hexane-free.