Reviews / NutriJa L-Theanine 100MG

NutriJa L-Theanine 100MG

Evidence-based supplement analysis

Reviewed on 9 Mar 2026

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NootropicsCapsule·3 min read·Updated March 2026

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7.8/10
Recommended
MRP ₹2999Cost ₹6.2560 servings
NutriJa L-Theanine 100MG
7.8/10
Recommended

NutriJa L-Theanine offers pure, transparent L-Theanine at 87% below category average pricing. The 100mg dose is clinically relevant but conservative—ideal for beginners or those who stack with caffeine, though most users will need 200mg for full effects. Exceptional value with perfect transparency makes this a smart budget pick despite the modest per-capsule dosing.

Formula10.0
Dosing7.0
Value3.3
Transparency10.0

MRP

₹2999

Based on MRP. Actual price may be lower.

Cost/Serving

₹6.25

Based on MRP. Actual price may be lower.

Servings

60

Buy on Amazon
THE BOTTOM LINE

NutriJa's L-Theanine is a straightforward, single-ingredient nootropic that delivers exactly what it promises: pure L-Theanine without fillers, proprietary blends, or unnecessary additives. The formula earns a perfect 10.0 for its clean approach, and transparency is equally flawless with clear dosing information.

At ₹49.98 per serving, this product costs 87% less than the category average of ₹389.92, making it exceptional value for money. While the 100mg dose is on the conservative side for stress relief and focus support, it's ideal for beginners, those sensitive to supplements, or users who prefer flexible dosing by taking multiple capsules. The 60-capsule bottle provides two months of daily use at this price point.

FORMULA

The formula is as clean as it gets: pure L-Theanine, a naturally occurring amino acid found in green tea leaves known for promoting relaxation without drowsiness and supporting focus when paired with caffeine. There are no fillers, no proprietary blends, and no unnecessary additives cluttering the ingredient list. For a single-ingredient nootropic, this is exactly what you want to see. L-Theanine is well-established in cognitive health research, with studies demonstrating its ability to increase alpha brain wave activity and reduce stress markers. The form isn't specified (synthetic vs. Suntheanine®), but at this price point, it's likely standard L-Theanine, which is still effective.

DOSING VERDICT

The 100mg dose per capsule is clinically relevant but sits at the lower end of effective ranges. Research on L-Theanine typically uses doses between 100-400mg, with 200mg being the most common clinical dose for cognitive and stress-related benefits. At 100mg, users will experience mild relaxation and focus support, particularly when combined with caffeine (the classic 2:1 ratio would be 100mg L-Theanine with 50mg caffeine). For more pronounced anti-anxiety effects or deeper focus, most studies suggest 200mg or higher. The conservative dose explains the 7.0 dosing score—it works, but many users will need to double up to reach optimal levels.

VALUE

At ₹49.98 per serving, NutriJa offers outstanding value, sitting 87% below the nootropics category average of ₹389.92 per serving. Even if you double the dose to reach 200mg (the more common clinical amount), you're looking at ₹99.96 per day—still significantly cheaper than most competitors. The ₹2,999 price tag for 60 capsules translates to exceptional cost efficiency for a pure amino acid supplement. This is among the most affordable L-Theanine options in the Indian market without compromising on transparency or quality claims.

TRANSPARENCY

Transparency is perfect here. The label clearly states 100mg of L-Theanine per capsule with no hidden ingredients, proprietary blends, or vague "herbal complex" listings. You know exactly what you're getting and in what amount. While the brand doesn't mention third-party testing or specific certifications in the provided data, the straightforward labeling and single-ingredient approach leave no room for confusion. This level of clarity is unfortunately rare in the Indian supplement market and deserves recognition.

WHO SHOULD BUY / WHO SHOULD SKIP

Buy if

  • Nootropic beginners who want to test L-Theanine's effects without committing to higher doses or spending significantly more money
  • Caffeine consumers looking for an affordable way to stack 100mg L-Theanine with their morning coffee for smooth, jitter-free focus
  • Budget-conscious biohackers who want pharmaceutical-grade simplicity and are comfortable adjusting their dose by taking multiple capsules

Skip if

  • Those seeking convenience who prefer a single capsule to deliver a full 200mg+ clinical dose without having to take multiples
  • Users wanting premium branded forms like Suntheanine® with specific patents and additional research backing
  • People looking for comprehensive nootropic stacks with multiple cognitive enhancers in one product—this is L-Theanine only
Final Word

NutriJa L-Theanine delivers exceptional value and transparency in a market often cluttered with overpriced proprietary blends. While the 100mg dose requires doubling up for full clinical effects, the rock-bottom price makes this a smart choice for budget-conscious users and flexible dosers alike.

How It Compares

NutriJa L-Theanine 100MG ranks 8th among 17 products with an overall score of 7.8/10, trailing behind The Body Reserve L-Theanine 200mg 120 Veg Tablets, which boasts a perfect score of 10.0/10. NutriJa's cost per serving at ₹6.25 is higher than Pure Nutrition L-Theanine 200mg – 120 Veg Capsules, priced at ₹5.83, yet more affordable than Trexgenics L-THEANINE 200 mg at ₹8.00. A major differentiator is its formula transparency score of 10.0, matching competitors but its dosing sub-score of 7.0 is considerably lower than the perfect 10.0 of all top three competitors.

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ProductScoreCost/ServingKey AdvantageKey Weakness
NutriJa L-Theanine 100MG (this product)7.8/10₹6.25Perfect formula transparencyLow value score
The Body Reserve L-Theanine 200mg 120 Veg Tablets10.0/10₹4.16Best value and dosingNone
Pure Nutrition L-Theanine 200mg – 120 Veg Capsules9.3/10₹5.83Balanced value and costHigher cost than best competitor
Trexgenics L-THEANINE 200 mg9.2/10₹8.00Strong formula transparencyHighest cost per serving

Ingredients

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IngredientDose per serving
L-Theanine100 mg

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