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 200mg 240 Capsules Double Strength right now is $27.70 at Ubuy, compared across 3 retailers.
The all-time low was $27.54 on 7 May 2026 — today's price is 1% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 12 May 2026.
Nutricost L-Theanine 200mg 240 Capsules Double Strength
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 12/05/2026 16:40:35
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
Delivery between 19–21 May $14.03
L-Theanine 200mg, 240 Capsules - Double Strength
Delivery between 19–22 May $29
L-Theanine 200mg, 240 Capsules - Double Strength
Free delivery between 20–26 May
| Is discontinued by manufacturer | No |
| Product dimensions | 7 x 7 x 14 cm; 189.94 Grams |
| Flavour | Green Tea |
| Unit count | 240 count |
| Item form | Capsule |
Nutricost L-Theanine 200mg, 120 Capsules, Double Strength - Non-GMO, Gluten Free
Delivery between 19–21 May $14.03
L-Theanine 200mg, 240 Capsules - Double Strength
Delivery between 19–22 May $29
L-Theanine 200mg, 240 Capsules - Double Strength
Free delivery between 20–26 May
| Is discontinued by manufacturer | No |
| Product dimensions | 7 x 7 x 14 cm; 189.94 Grams |
| Flavour | Green Tea |
| Unit count | 240 count |
| Item form | Capsule |
