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Description
Source Naturals, Caffeine+ L-Theanine, 240 TabsProduct Description Source Naturals Caffeine + L Theanine delivers the energy benefits of caffeine with the calming benefits of L theanine, to help you start the day focused and productive. In contrast to the nervousness that can come from consuming excess caffeine by itself, these two ingredients work together to provide calm, focused energy. Research has shown that caffeine and L theanine have a synergistic effect on attention and accuracy, and
Product DescriptionSource Naturals Caffeine + L-Theanine delivers the energy benefits of caffeine with the calming benefits of L-theanine, to help you start the day focused and productive. In contrast to the nervousness that can come from consuming excess caffeine by itself, these two ingredients work together to provide calm, focused energy. Research has shown that caffeine and L-theanine have a synergistic effect on attention and accuracy, and together support healthy focus and memory better than the use of each ingredient by itself. We suggest you start with one tablet but increase to two if the desired effect is not achieved.*
Product Benefits
Ingredients
|
Supplement Facts | ||
| Serving Size: 1 Tablet | ||
| Amount Per Serving | %DV | |
| Calcium (as dibasic calcium phosphate) | 21 mg | 2% |
| Green Tea Leaf Extract (50% caffeine) | 200 mg | |
| L-Theanine | 200 mg | |
| * Daily Value not established. | ||
| Other Ingredients: Microcrystalline cellulose, dibasic calcium phosphate, hydroxypropyl cellulose, magnesium stearate, modified cellulose gum, and silica. | ||
Suggestions
Suggested Use: 1 Tablet 1 to 2 times daily with a meal. Do not take before bedtime.
Special Note
Allergies: Suitable for vegans and vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance.
Warnings
For adult use only. Each tablet contains 100 mg of naturally occurring caffeine, which is approximately the amount contained in one cup of coffee. Caffeine can cause nervousness, irritability, sleeplessness or rapid heartbeat. If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children. Store in a cool, dry place.
Disclaimer
Herbspro.com offers nationally branded products that are produced according to manufacturing standards set by regulators at everyday low prices. Do not use unproven, unbranded products, which can pose serious risks to your health.
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4.2 ★★★★★
Based on 862 reviews
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Product Reviews
★★★★★ 4
Great information!
Format: Paperback
This is a very well designed book with so much information. I wish there was a more detailed index in order to find what you need. In my book, the first index page was missing!
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Reviewed in the United States on October 31, 2025
★★★★★ 5
very helpful Rifing book
Format: Paperback
still learning to use this book as it is a wealth of information about Rife frequencies. I have GB4000 and SR4 equipment and this supplements the Universal frequency book that came with them. This book was recommended by folks in the online GB4000 Users group.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Great reference for RIFE devices
Format: Paperback
I've been using RIFE frequency sounds for addressing some problems. Now I got an affordable RIFE device that comes with tons of programmed setting, yet impossible to cover all. I like this books is very well organized and includes lots of good information that will allow me to program my own settings for specific needs. I do recommend it to any person interested in getting these frequencies on paper. Worth the investment.
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Reviewed in the United States on August 19, 2024
★★★★★ 5
Great book for frequency work
Format: Paperback, Format: Paperback
Wow, If you are into frequency work. This is a very informative reference guide, with lists of frequencies. 256 pages just like this.
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Reviewed in the United States on February 20, 2026
★★★★★ 5
Helpful, durable, and very thorough in the presentation of boundaries
Format: Spiral-bound
I love this for several reasons. I use it in my therapy practice with clients. There are different types of boundaries and examples and sometimes clients feel It’s not a very big topic, however, it is. You can use the book weekly with a client across many sessions. The book is well-made and you can use an erasable marker with it. The ink doesn’t come off just apply a little alcohol to a cloth. I fear this is also very durable.
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Reviewed in the United States on August 17, 2025