Corneliu Giurgea was a Romanian scientist who studied the brain and how it ages. In 1972, he came up with the concept of "nootropics." Nootropics can be defined by the following rules:

  • They should enhance learning and memory.
  • They should enhance the resistance of learned behaviors and memories to the point of disruption.
  • They should protect the brain against various physical or chemical injuries.
  • They should increase the efficacy of the tonic cortical and subcortical control mechanisms.
  • They should lack the usual pharmacology of other psychotropic drugs (e.g., sedation, motor stimulation), possess very few side effects, and have extremely low levels of toxicity.

Fortunately, tea has always had a good reputation for helping the brain function better. It is the low dosage of the amino acid l-theanine combined with caffeine that stimulates and relaxes the brain. Matcha teas have the highest levels of both of these naturally occurring substances. In addition, there are several herbal teas that have developed a reputation for helping with the gray matter between your ears.

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Vibrant Indigo Punch tea blend with dried herbs and flowers, alongside a cup of deep blue tea. A glass of Indigo Punch tea surrounded by colorful dried herbs and flowers, showcasing its vibrant blue hue.
Indigo Punch
From $ 9.45
Organic ginger turmeric blend with dried herbs and a cup of vibrant red tea in the background. A glass of organic ginger turmeric tea surrounded by ginger root, dried herbs, and vibrant orange backdrop.
Organic Ginger Turmeric
From $ 9.00
Cup of organic green tea with citrus and ginkgo, surrounded by loose tea leaves on a textured surface. Harney & Sons Organic Green Tea with Citrus & Ginkgo, 50 sachets in a brown resealable bag.
Organic Green with Citrus & Ginkgo
From $ 9.00
Tall glass of Indigo Punch Fresh Brew Iced Tea filled with ice cubes, showcasing a vibrant purple color. Indigo Punch Fresh Brew Iced Tea package beside a glass filled with iced tea and ice cubes on a wooden table.
Indigo Punch Fresh Brew Iced Tea
From $ 7.00
Dried butterfly pea flowers with a cup of brewed blue tea above, showcasing vibrant colors and natural ingredients. Butterfly pea flower tea in a glass, with dried flowers spilled from a pink cup on a textured surface.
Butterfly Pea Flower
$ 33.00
A bowl of organic golden milk next to a mound of golden turmeric powder, showcasing the Glimmer Wellness Blend. Glass of organic golden milk next to a bowl of turmeric powder on a textured yellow background.
Organic Golden Milk – Glimmer Wellness Blend
From $ 24.00
Refreshing glass of organic green iced tea with citrus and ginkgo, garnished with lemon and lime slices. Organic Green with Citrus & Ginkgo Fresh Brew Iced Tea packaging featuring vibrant green design and tea bag details.
Organic Green with Citrus & Ginkgo Fresh Brew Iced Tea
From $ 28.00
Organic Lemon Balm Chamomile tea sachets, 50-count bag, featuring calming herbs like nutmeg, spearmint, and lavender. Organic Lemon Balm Chamomile tea sachets with dried herbs and a cup of brewed tea above. Perfect for relaxation.
Organic Lemon Balm Chamomile, Bag of 50 Sachets
$ 23.99
Wellness Trio Gift featuring golden milk, hemp matcha, and calming herbs on a cozy white surface. "Wellness Trio Gift set featuring Chaga Chai, Golden Milk, and Hemp Moringa in decorative tins.
Wellness Trio Gift
$ 64.95
Chaga Ashwagandha herbal tea blend with a cup of brewed tea and loose herbs scattered around. Black packaging of Harney & Sons Chaga Ashwagandha tea, featuring gold accents and a label highlighting its ingredients.
Chaga Ashwagandha
From $ 32.99
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A cup of Gaba Oolong tea above dried, dark oolong tea leaves, showcasing its rich color and texture. Black tin container of Gaba Oolong tea by Harney & Sons, featuring elegant gold accents and text.
Gaba Oolong
$ 22.00
Chaga mushroom powder beside a cup of brewed chaga tea, showcasing its rich brown color and texture. Chaga mushroom powder in a black pouch by Harney & Sons, with a mound of powder beside it.
Chaga Mushroom
From $ 49.99
Organic turmeric powder scattered around a white bowl filled with turmeric paste, showcasing its vibrant yellow-orange color. Organic turmeric packaging by Harney & Sons, featuring floral design and Ayurvedic herbal information.
Organic Turmeric
$ 21.00