L-Theanine

Every L-Theanine form, graded

7 forms scored on published absorption evidence. This is the comparison no supplement brand will publish about its own products.

1. ×1.5Superior absorptionNone graded here
2. ×1.25Well absorbedAlphawave L-Theanine, Camellia Sinensis Extracts (EGCG + L-Theanine EMT™), L-Theanine, L-Theanine (Green Tea)
3. ×1Reference formCamellia sinensis Leaf, Camellia Sinensis (Matcha/EGCG/L-Theanine EMT™), Organic Matcha Leaf Powder
4. ×0.85Poor absorptionNone graded here

Multipliers are applied to each ingredient's dose score when a product is graded. How multipliers are assigned.

How much L-Theanine should you take?

SuppScore grades doses across evidence zones rather than against a single recommended figure. Scored information, not a recommendation.

1. Zone 10 to 25 mg per dayLow dose
2. Zone 225 to 75 mg per dayGeneral maintenance dose
3. Zone 375 to 100 mg per dayFor deficiency or elevated need
4. Zone 5100 to 250 mg per dayPractitioner-grade dose
5. Zone 5250 to 375 mg per dayPractitioner-grade dose

Zones describe what the evidence supports at a dose. They are not advice on what to take, and they do not replace a conversation with a doctor or pharmacist.

What is L-Theanine good for?

Products containing L-Theanine

Scored products that list it on the label, highest scoring first. Ordering is by SuppScore only. We have no commercial relationship with any brand shown.

Biocare

Menopause Multinutrient

SuppScore 67

Nu Mind Wellness

Menopause x Charlotte Hunter

SuppScore 55

Hey Nutrition

Cognitive Complex

SuppScore 46

Biocare

Calm Complex

SuppScore 43

AG1

5 Count Travel Pack

SuppScore 39

HEAD START SUPPLEMENTS

NuroFuel Nootropic Brain Supplement for Focus, Energy, Memory & Mental Performance

SuppScore 36

Viridian Nutrition

Cognitive Complex

SuppScore 32

ViDrate

Electrolytes Powder, Variety Pack

SuppScore 18

References

1. sciencedirect.com
2. pubmed.ncbi.nlm.nih.gov
3. pubmed.ncbi.nlm.nih.gov
4. mdpi.com
5. pubmed.ncbi.nlm.nih.gov