If you’re looking for a supplement to help you focus, you’ve probably come across l-theanine. L-theanine is an amino acid that’s found in green tea, and it’s become a popular ingredient in supplements because it’s been shown to improve attention and focus. In this article, we’re going to compare two of the best l-theanine supplements on the market: Suntheanine and Jarrow Formulas.

Suntheanine is a pure form of l-theanine that’s been shown to be more effective than other forms of theanine. It’s also more expensive than other forms of theanine. Jarrow Formulas is a less expensive option, but it’s not as pure as Suntheanine.

Both Suntheanine and Jarrow Formulas are available in capsules or powder form. Suntheanine is also available in chewable tablets.

Suntheanine

Suntheanine is a pure form of l-theanine that’s been shown to be more effective than other forms of theanine.

Suntheanine is more expensive than other forms of theanine, but it’s also more effective. If you’re looking for the best l-theanine supplement, Suntheanine is the way to go.

Suntheanine is available in capsules, powder, or chewable tablets.

Jarrow Formulas

Jarrow Formulas is a less expensive option, but it’s not as pure as Suntheanine.

Jarrow Formulas is available in capsules or powder form.

both Suntheanine and Jarrow Formulas are good l-theanine supplements, Suntheanine is the better option. It’s more expensive, but it’s more effective. If you’re looking for the best l-theanine supplement, go with Suntheanine.