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💼 Elevate your focus and calm—because your hustle deserves the best.
Vinco L-Theanine Supplement delivers a potent 400mg dose of 99%+ pure L-Theanine per capsule, sourced from green tea extract. Manufactured in GMP-certified UK facilities, this vegan, gluten-free, and non-GMO formula supports mental clarity, stress management, and relaxation without sedation. With 120 capsules per bottle, it offers a convenient, high-quality solution for professionals seeking natural cognitive and wellness support.

















































| ASIN | B0CK581PC7 |
| Age Range Description | Adult |
| Allergen Information | Contains: Dairy Free, Gelatin Free, Gluten Free, Lactose Free |
| Benefits | Stress Relief |
| Best Sellers Rank | 7,846 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 49 in Stress & Anxiety Relief |
| Brand | Vinco Supplements |
| Brand Name | Vinco Supplements |
| Container Type | Bottle |
| Customer Reviews | 4.5 out of 5 stars 116 Reviews |
| Dosage Form | Capsule |
| Flavour | Unflavoured |
| Included Components | L-Theanine |
| Item Dimensions | 45 x 45 x 96 millimetres |
| Item Form | Capsule |
| Item Nype Name | L-Theanine Supplement |
| Item Weight | 0.09 Kilograms |
| Item form | Capsule |
| Item weight | 0.09 Kilograms |
| Manufacturer | Vinco Supplements |
| Manufacturer Part Number | L-Theanine |
| Material Features | Gluten Free, GMO Free, Vegan |
| Model Number | 59821700 |
| Number of Items | 1 |
| Primary Supplement Type | L-Theanine |
| Primary supplement type | L-Theanine |
| Special Ingredients | L-Theanine |
| Unit Count | 120.00 count |
| Unit count | 120.00 count |
S**N
Satisfactory
Helps me relax at night with magnesium glycine to get a decent night's sleep!
P**N
Excellent for our bodies need to repair itself as well as many other benefits to fight free radicals
This supplement is excellent ,really great for deep sleep ,best sleep i have had in ages would greatly recommend this product for far more benefits besides great sleep
M**N
Great
Great. Calms me down at bedtime.
M**R
Ok
Seems to work but don’t feel any different
D**A
They re good
Good thanks
B**O
Recommend
Love this brand No fillers. Buy lots of there suppliments
M**J
Strong
They certainly knocked me out, but left me with a drugged, drowsy feeling all next day. Maybe half strength would be better. Edited after two week's use: I seem to be tolerating them, sleeping better and less agitated. Now taking the whole capsule each bedtime.
T**A
Did nothing.
This brand didn’t work for me. Took 3 capsules at once and genuinely did nothing. I’ve had L-theanine from other brands and it’s been great. Maybe a bad batch, idk.
Trustpilot
5 days ago
2 months ago