Nutricost
Caffeine 100 mg with L-Theanine 100 mg
Non-Nutrient/Non-Botanical240 servings
All 2 actives we can check reach a studied dose.
Dose 2 of 2 reach a studied dose
How to takeSuggested use: As a dietary supplement, take 1 capsule daily with 8-12 oz of water or as directed by your healthcare professional.
- Gluten Free
How it scores
Does the dose do anything?
-
Caffeine Anhydrous
At the studied dose100 mg / day studies used 75-800 mg · 67 studies
-
L-Theanine
At the studied dose100 mg / day studies used 50-420 mg · 16 studies
What it's studied for
- Focus staminaA
Hold focus through repetitive work
Attention & executive function
- Sustained exercise outputB
Sustain more output for longer
Exercise performance
- Planning and focusB
Plan tasks and adapt to change
Attention & executive function
- Pulse under stressA
Limit stress-related pulse spikes
Cardiovascular
- Muscle forceA
Increase everyday strength
Muscle function
What's in it
Serving size 1 Capsule(s)
- Caffeine Anhydrous 100 mg -
- L-Theanine 100 mg -
Other ingredients
A few additives worth noting in the inactive ingredients.
- Rice Flour: filler; benign but cheap
- Gelatin: capsule shell; neutral unless ethical concern
- Microcrystalline Cellulose: bulking agent
- Magnesium Stearate: flow agent; fine in trace
- Silica: flow agent; inert but filler
Reported interactions
- Interacts with:
- Antihypertensives ·Antidepressants ·Other ·Carbamazepine ·Phenobarbital ·Phenytoin ·Gabapentin ·Levetiracetam
- Side effects:
- Death ·Seizure ·Rhabdomyolysis ·Myocardial_infarction ·Arrhythmia ·Hepatotoxicity
From research databases. Not medical advice — talk to your physician.
Nutricost
57/100Nutricost is a value-oriented supplement brand with no obvious red flags in the provided materials, but the available pages do not establish standout transparency, testing rigor, or premium trust signals.
- ✓ Third-party tested
- ✓ Premium ingredients