A jar of New Chapter Magnesium + L-Theanine Powder, lemon lavender flavor, featuring 2.5x better absorption and supporting focus, calm, and mental clarity. The Supplement Facts label for New Chapter Magnesium + L-Theanine Powder lists serving size, calories, carbs, 375 mg magnesium, 200 mg L-Theanine, ingredients, certifications, and manufacturer details—ideal for focus and clarity. New Chapter Magnesium + L-Theanine Powder label features “YOUR CALM BEGINS HERE,” highlights relaxation and focus benefits, includes directions, cautions, barcode, and uses a purple and white design. A container of New Chapter Magnesium + L-Theanine Powder sits on a wooden branch with a lemon slice, lavender, and green leaves. Icons showcase benefits for calm, mental clarity, and focus. Text on a blue and purple gradient reads: Watch the magic. Feel the calm. New Chapter's Magnesium + L-Theanine Powder mixes color-changing lemon-lavender flavor, monkfruit sweetness, and relaxation support. Certification logos appear at the bottom.
A jar of New Chapter Magnesium + L-Theanine Powder, lemon lavender flavor, featuring 2.5x better absorption and supporting focus, calm, and mental clarity.

New Chapter Magnesium + L-Theanine Powder

4.9 oz

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Features a highly bioavailable magnesium complex for superior absorption and gentle digestion.
  • Combines soothing L-theanine with magnesium to support inner stillness and mental clarity.
  • Responsibly packaged in a recyclable amber jar to protect ingredient integrity and purity.
Flavor: Lemon Lavender
Purchase options

Magnesium + L-Theanine Powder $63.95

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

During moments of mental overload, mix and sip our lemon-lavender flavored blend of l-theanine and magnesium glycinate powder to help you come back into your body and re-ground. Even its pale purple vibe is soothing! Let inner calm and effortless attention start now with one of our premium body and brain supplements for focus and mental clarity.* No added caffeine.

  • CULTIVATE INNER STILLNESS: Focus, calm, and re-ground with 200 mg L-theanine for mental clarity plus 325 mg magnesium for muscle relaxation & recovery in one easy-mixing powder formula* 
  • CLINICAL-STRENGTH L-THEANINE: Calming amino acid derived from green tea (no added caffeine) dials up your soothing alpha brain waves, resembling the inner stillness many reach in meditation* 
  • TENSION-RELIEVING MAGNESIUM POWDER: Replenishing 325 mg magnesium complex helps regulate over 300 functions in the body, essential for muscle function and healthy nerve transmission* 
  • SUPPORTS HEALTHY CORTISOL LEVELS: L-theanine 200 mg is shown to decrease cortisol, a stress hormone made and released by the adrenals* 
  • 2.5x BETTER ABSORPTION than leading form: Highly bioavailable magnesium glycinate† is bound with an amino acid so it can be easily recognized and utilized by your body, without GI discomfort 
  • MIX, SIP & RELAX: Lemon-lavender flavored & sweetened with organic monk fruit, this color-changing powder is easy to mix with your favorite beverage. Try an evening mocktail with cherry juice, 1 serving of powder, and sparkling water.
  • QUALITY MATTERS: Every ingredient is verified for identity and purity. Every single batch of our Magnesium + L-theanine powder undergoes rigorous quality tests to ensure exceptional integrity to ensure you get exactly what you pay for.
  • SIGNATURE MAGNESIUM COMPLEX: Includes lab-validated TRAACS® (The Real Amino Acid Chelate System) magnesium bisglycinate for superior absorption without GI effects, plus sea-sourced magnesium from Ireland with vital trace minerals and electrolytes
  • THIRD-PARTY VALIDATED: Non-GMO Project Verified, Certified Gluten-Free by NSF, Certified Kosher. Also 100% vegan, with natural flavors.
  • ABOUT OUR PACKAGING: Our magnesium powder is packed in an amber PCR jar to protect the contents from light. Both jar and cap are recyclable.

*Note: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Consult your physician before adding a dietary supplement to your diet.

Magnesium (as magnesium citrate and as TRAACS® magnesium bisglycinate chelate), L-Theanine.

Other Ingredients: Citric acid; Less than 2% of: organic monk fruit extract, fruit and vegetable juice (color), natural flavors

*Note: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Consult your physician before adding a dietary supplement to your diet.

Suggested use: For ages 12 years and older, add 2 1/4 level teaspoons (approximately 4.7 g) into 8 oz of water or your favorite beverage and mix thoroughly once per day.

If desired, divide the daily amount into 2 or more portions per day. Enjoy morning, afternoon, evening or anytime you’d like to reset and re-ground.

Grove Values

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3,000+ BANNED INGREDIENTS

Wellness formulas you can trust.

Every wellness product is reviewed by experts and screened for ingredients and materials that align with Grove’s strict standards — so you can feel good about what you and your family rely on to feel your best.

A bottle of SmartyPants Kids Multi & Omegas gummy vitamins lies on its side with colorful gummies spilling out, against a pastel green circular background.

Vetted for ingredient integrity

No artificial colors, flavors, or phthalates — all common in mainstream products

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No unnecessary extras

Free from artificial dyes, talc, titanium dioxide, and magnesium stearate

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Less plastic, fewer microplastics

Prioritized packaging options that reduce plastic waste and microplastic exposure

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Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog