Product Overview
Theanine (L-theanine) is a naturally occurring amino acid most commonly derived from tea leaves, though it is also produced commercially through fermentation for supplement use. It is recognized for its calming effect on the nervous system without the sedation associated with many other relaxation ingredients, which has made it a widely used raw material in stress-support and focus-oriented supplement formulas. Health Genesis supplies it as a purified white crystalline powder, typically encapsulated for finished-product consistency.
Theanine's distinguishing characteristic in formulation is that it is associated with calm without drowsiness, which sets it apart from many traditional relaxation ingredients and makes it a popular pairing with caffeine in focus-support products, as well as a standalone option in stress-management lines.
How Brands Use Theanine
- Formulated into standalone capsules positioned for stress management and calm focus
- Paired with caffeine in nootropic or focus-support formulas to balance stimulation
- Combined with GABA, magnesium, or ashwagandha in broader relaxation blends
- Marketed to adults seeking daytime stress support without drowsiness
- Positioned within cognitive support lines given its association with relaxed alertness
Private label brands most often request Theanine in capsule form for standalone stress-support products, though it is also frequently supplied as a bulk powder for brands building combination formulas with caffeine or other nootropic ingredients. Its non-drowsy positioning makes it a versatile ingredient across both daytime and evening product lines.
Health Genesis manufactures Theanine capsules at our FDA-registered, GMP-certified, NSF-certified facility in Davie, Florida. Our family-owned team has spent over 25 years developing stress-support and cognitive formulas, and we offer low minimum order quantities along with in-house label design to help brands launch efficiently.
Does Theanine cause drowsiness like other calming ingredients?
No, L-theanine is generally associated with a calm, alert state rather than sedation, which is why it is frequently paired with caffeine in daytime focus and stress-support formulas.
Can Theanine be combined with other calming ingredients?
Yes, it is commonly formulated alongside GABA, magnesium, or adaptogenic botanicals in broader stress-relief blends, and our team can help design a combination formula for your brand.
What certifications apply to Health Genesis Theanine capsules?
Theanine is manufactured at our FDA-registered, GMP-certified, and NSF-certified facility in Davie, Florida, giving brand owners a documented quality and compliance foundation for their label claims.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Additional Information
Why Choose Health Genesis
Industry-Leading Private Label Supplement Manufacturing
FDA-Registered & GMP-Certified
Health Genesis operates a fully FDA-registered, GMP-compliant manufacturing facility. Every product undergoes rigorous testing at multiple stages.
Low Minimum Order Quantities
Our accessible MOQs make private label supplements feasible for emerging brands. Test market demand without committing to massive inventory.
Fast Turnaround Times
Our efficient production processes deliver your products quickly. Most orders ship within 2-4 weeks after approval.
Complete Private Label Services
From formulation consultation to fulfillment, we handle everything. Focus on growing your brand while we handle manufacturing.
Quality You Can Trust
Every batch undergoes comprehensive testing: identity, purity, potency, heavy metals, and microbial testing. Third-party lab results available.
Expert Support Team
Our experienced team guides you through label design, regulatory compliance, and production. We're here to help you succeed.

