L-theanine is an amino acid found in green and black tea. It is known as a “therapeutic” amino acid because it facilitates relaxation. When paired with caffeine, it may also provide a boost to focus and attention.
L-theanine is an amino acid found in green and black tea. It is known as a “therapeutic” amino acid because it facilitates relaxation. When paired with caffeine, it may also provide a boost to focus and attention.
in 3 offers
The lowest price for Nutricost, L-Theanine Capsules, 200 mg, 30 Count right now is $9.66 at iHerb, compared across 3 retailers.
The all-time low was $5.68 on 13 Jan 2026 — today's price is 70% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 2 Sept 2026.
Nutricost, L-Theanine Capsules, 200 mg, 30 Count
L-theanine is an amino acid found in green and black tea. It is known as a “therapeutic” amino acid because it facilitates relaxation. When paired with caffeine, it may also provide a boost to focus and attention.
L-theanine is an amino acid found in green and black tea. It is known as a “therapeutic” amino acid because it facilitates relaxation. When paired with caffeine, it may also provide a boost to focus and attention.
Last updated at 02/09/2026 18:44:47
Nutricost, L-Theanine, 200 mg, 30 Capsules
Delivery $40
Nutricost L-Theanine Capsules 30 Capsules
Delivery $25.81
Nutricost L-Theanine 200 Mg | Supports General Wellbeing | Meltonsupps
Delivery between 7–15 Sept $12.95
| Best by | 01/2028 |
| Dimensions | 8.4 x 4.7 x 4.6 cm , 0.03 kg |
| Serving Size | 1 Capsules |
| Servings Per Container | 30 |
Nutricost, L-Theanine, 200 mg, 30 Capsules
Delivery $40
Nutricost L-Theanine Capsules 30 Capsules
Delivery $25.81
Nutricost L-Theanine 200 Mg | Supports General Wellbeing | Meltonsupps
Delivery between 7–15 Sept $12.95
| Best by | 01/2028 |
| Dimensions | 8.4 x 4.7 x 4.6 cm , 0.03 kg |
| Serving Size | 1 Capsules |
| Servings Per Container | 30 |
