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Compare our L-Theanine with other brands.
See the difference for yourself. Compare what’s inside, spot the added extras, and see what sets Crown Supplements apart.
| Brand & product | L-Theanine per capsule | Added bulking or flow ingredients |
|---|---|---|
| Crown SupplementsL-Theanine | 440mg | None added by Crown Supplements |
| Holland & BarrettL-Theanine 200mg | 200mg | YESMicrocrystalline cellulose, Silicon dioxide, magnesium stearate |
| SolgarSuntheanine L-Theanine 150mg | 150mg | YESMicrocrystalline cellulose, Silica, magnesium stearate |
| NOW FoodsL-Theanine 200mg | 200mg | YESStearic acid, silicon dioxide |
| Doctor’s BestL-Theanine 150mg | 150mg | YESMicrocrystalline cellulose, Silicon dioxide |
440mg L-Theanine in every capsule.
More than twice the L-Theanine in each 200mg capsule compared in the table. No fillers, binders or machine flow agents added by Crown Supplements.
Your formula at a glance
Know what goes into your L-Theanine.
Crown Supplements gives you a clearly measured 440mg of L-Theanine per capsule. The raw-material certificate records a 99.8% assay, adding substance to the ingredient specification.
Compare the L-Theanine amount
440mg per capsule, alongside the 150mg and 200mg products in the table.
Check the added ingredients.
The table names the bulking and flow agents in four competing products. No fillers, binders or machine flow agents added by Crown Supplements.
Make your choice on the details.
Read the actual amount
The ingredient weight is stated separately from the capsule shell and accompanying ingredients.
See the ingredient test
The raw-material certificate records 99.8% assay.
Choose by ingredients
Compare the named formula additions before choosing your supplement.
Six details worth checking.
Named ingredient
L-Theanine.
Measured amount
880mg across 2 capsules.
Documented material
99.8% raw-material assay.
Additional ingredients
Psyllium husk extract.
Our formulation
No fillers, binders or machine flow agents added by Crown Supplements.
Same formula, four sizes
Choose 90, 180, 270 or 360 capsules.
The formula comes first.
No fillers, binders or machine flow agents added by Crown Supplements.
Choose your pouch.
The same formula in every size.
L-Theanine Capsules — product details.
How to use and store.
Frequently asked questions.
Choose the formula that fits your standards.
More than twice the L-Theanine in each 200mg capsule compared in the table.
No fillers, binders or machine flow agents added by Crown Supplements.
Crown Supplements. Named ingredients. Clearly stated amounts.
This has really helped my stress levels, and relaxation in the evenings
Excellent product, fast delivery. Always use this company for my supplements as does a friend of mine who recommended them.
quality products without all the fillers. I have been using L Thianine to support my journey coming off antidepressants and I am happy with the results.
L Theanine Capsules
My head is normally going a mile a minute when work gets busy so I gave l theanine a try. it takes the edge off without making me feel tired and I can still concentrate properly. really handy on stressful days and I even take it alongside coffee sometimes
My head gets busy when work piles up, so I wanted something that helped me feel calmer without making me tired. l theanine has been a good fit. I still feel clear and focused, just less wound up, and it works nicely alongside coffee on stressful days
I have bought this brand supplement numerous times and I think it’s the best by far! I take them daily and notice that it does give me an focus boost and makes me feel more motivated
quiet evenings are why I bought l theanine. it helps me wind down a little without feeling knocked out
coffee used to make me a bit edgy, so I take l theanine with it now and feel more balanced. not a miracle, just keeps things steadier
l theanine helps take the edge off coffee for me. I still feel alert, just less jittery