The only answer provided from the manufacturer, Source Naturals website was "Where does l-theanine come from? It is found almost exclusively in black and green tea. It is the primary ingredient contributing to the pleasant taste of green tea."

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Source NaturalsSerene Science L Theanine 200Mg Supplement 120 Capsules 120 Count

Q: How many 200mg capsules are in this product? No mention - assuming it's 30 caps, we bought Jarrow, but for future, would love to know...

HI Saki. There is 200mg and the bottle has 60 capsules.

Q: How long until you notice an effect?

Soon after you take it. Take two at once if you are stressed or have anxiety. For maintenance, you can take one in the morning & one in the evening or just one a day.

4.6/5

Product ID: 266480700

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Details

Brand
Source
Flavor
Unflavored
Unit Count
120 Count
Item Form
Capsule
Item Weight
1.6 ounces
Item dimensions L x W x H
1.3 x 1.3 x

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Description

Source NaturalsSerene Science L Theanine 200Mg Supplement 120 Capsules 120 Count

Have a Question? See What Others Asked

How many 200mg capsules are in this product? No mention - assuming it's 30 caps, we bought Jarrow, but for future, would love to know...

is this from china?

are these breakable tablets?

How long until you notice an effect?

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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