Source Naturals Serene Science L-Theanine 200 Mg

60 Tablets
2 Reviews
L-Theanine by Source Naturals is a natural supplement that promotes focused attention and relaxation without drowsiness. Order online.Read More >

Select options

In Stock
Ships today if you order in the next 1 hours 43 minutes.
What's this?
In Stock
Ships today if you order in the next 1 hours 43 minutes.
  • Free Shipping
  • You Earn 24 Points on this item

  • NHC Guarantee
  • 60-Day Return Policy

Customer Reviews


2 Reviews

  • 5 stars
  • (2)
  • 4 stars
  • (0)
  • 3 stars
  • (0)
  • 2 stars
  • (0)
  • 1 star
  • (0)


excellent service

The service is always great. You can't beat the prices and everything always ships quickly


Lisa T.

5 stars

This product works great, very relaxing without being sleepy.

What Customers Are Saying

"I've been buying Probiotics from Natural Healthy for the past 3 years. I've been very pleased with all my purchases. Great customer service also!"
Robin H.Verified Customer
"I couldn't be more pleased with the prices and excellent service provided. I have always received the right products and delivery is fast. So much easier (and cheaper) than going to my doctors office."
Noel S.Verified Customer
"Natural Healthy Concept products are amazing! Everything I have ordered had arrived on time and exactly as I wanted!"
Lauren M.Verified Customer