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Can Green Tea Extract and L-Theanine be taken at the same time?

Find out if green tea extract and l-theanine can be taken at the same time, or if they are best taken separately.

Green tea extract with l-theanine

Short answer: Useful in the same plan

While not found to provide additional benefits when taken at the exact same time, research has shown that green tea extract pairs well with l-theanine.

Also taken with L-theanine for cognitive health

When combined with l-theanine, green tea extract has been studied for its effect on memory and attention in people with mild cognitive impairment.

L-theanine is also found naturally in green tea, in low amounts, so the two are studied together.

Also taken with green tea extract, for cognitive health

Also, some studies regarding L-theanine's effects on cognitive health also incorporated green tea extract, and it was found that this combination was measured on memory and attention span in people who have mild cognitive impairment.

Timing is everything

Many supplements are dependent on being taken at the right time, or with the right meal, for proper absorption. For example, fat-soluble vitamins such as vitamin D should be taken together with a high-fat meal. Stimulating supplements, such as rhodiola or ginseng, should avoid being taken too late in the day.

The perfect match

Some supplements are known to complement each other when taken together, either because one helps the other to be absorbed, or because their effects compliment each other. Well known combos include vitamin D3, vitamin K2 and magnesium, or quercetin and bromelain, but there are many others.

Incompatibilities

Likewise, some supplements can compete for absorption or react negatively if taken together. For example, calcium and magnesium compete for absorption, so they are best taken several hours apart, and fiber-heavy supplements such as psyllium husk should be taken by themselves, separate from all other supplements.

Potential additions

The Vitamin Plan will automatically detect if there is a recurring theme in the supplements that you are taking, and suggest a focused addition or two for that theme. For example, if your plan seems to be mostly centered around joint health, it may suggest adding glucosamine or collagen if you didn’t add them yet.

Remember

A balanced diet and a healthy lifestyle always come first, and supplements are meant to be just that: supplementary. While every effort has been made to ensure that the data on this page is accurate, said accuracy can never be guaranteed. The information provided is not medical advice, it is not intended to cover all possible interactions or adverse effects, and neither is it a substitute for the expertise of professional healthcare practitioners. You are always encouraged to do your own research, and to consult with your trusted doctor or pharmacist before taking any supplements.

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