Trusted & Quality Assured
Professional Grade
Clinically Focused
Premium Ingredients
Third-Party Tested
Made in the USA
Non-GMO
MONTIFF
Data Support: 37 Years
Pharmaceutical-Grade Purity. Proven for 37 Years.
Supercharge Your Health with the Amino Acid Science Trusted Since 1989.
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Whole body health starts at the core.
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Science you can trust
Formulated with intention. Backed by science.
Every MONTIFF formula is built with premium ingredients in clinically researched forms and effective dose.
- Thoughtful combinations for real results
- Rigorous testing for purity and potency
- No unnecessary fillers or artificial additives
Thoughtful combinations for real results
Rigorous testing for purity and potency
No unnecessary fillers or artificial additives
Science you can trust
Dr. Rachel Stephens, MS, CNS
Functional Nutrition practitioner
MONTIFF formulas reflect rigorous quality standards and thoughtful ingredient selection. As a practitioner, I trust these products to support my clients’ health goals with confidence and integrity.
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Shop All ProductsClinically Formulated. Trusted for Decades.
Discover condition-specific formulas rooted in amino acid science and clinical research.
Pure GABA
Supports Central Nervous System Function, Relaxation, and Sleep Quality
500 mg | 100 Capsules View Formula- Professional-Grade
- Precisely Formulated
Professional-Grade
Precisely Formulated