← See the science · Lemon balm (Melissa officinalis)

Buy Lemon balm (Melissa officinalis)

Products that match the form and dose used in the studies. Umbral earns a commission on some purchases; the order never changes because of it.

Moderate

400–600 mg/day of standardised extract, split into two doses

Ratings, prices and photos were read from Amazon on Sep 18, 2026. Amazon prices change; the current one is on the product page.

As an Amazon Associate, Umbral earns from qualifying purchases. Product data is provided by Amazon and may change; ratings and prices shown are Amazon’s, not Umbral’s. Recommendations are based on the evidence grade and the form used in trials, never on commission.

Nature's Way Melissa Lemon Balm Leaf, 100 Capsules

4.5(3,051)

$7.41

Plain leaf, single ingredient, three thousand ratings. Start here if you want to test lemon balm without a sleep blend confounding the result.

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Amazon price on Sep 18, 2026.

MaryRuth's Organic Lemon Balm Leaf Liquid Extract

4.6(2,040)

$19.95

A tincture lets you split the 600 mg daily dose into two takes, which is how the anxiety trials dosed it.

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Amazon price on Sep 18, 2026.

Zazzee USDA Organic Lemon Balm 10:1 Extract, 180 Capsules

4.5(1,193)

$23.97

A concentrated 10:1 extract rather than ground leaf — closer to the standardised material used in trials, and the best-rated concentrate here.

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Amazon price on Sep 18, 2026.

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What to look for

✓Melissa officinalis leaf extract standardised for rosmarinic acid — Cyracos® 600 mg/day or Relissa™ phospholipid-carrier extract 200 mg twice daily
✓400–600 mg/day of standardised extract, split into two doses
✓Third-party tested (USP, NSF, Informed Sport)

What to avoid

✕Proprietary blends that hide the dose per ingredient
✕Unstandardised extracts with no active-compound percentage

Safety notes

· No contraindications identified and no adverse reactions in most clinical trials.
· Safety in pregnancy and lactation is unstudied — avoid.
· In vitro data show lemon balm binds TSH receptors; a theoretical caution in Graves' disease, never confirmed in humans.

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As an Amazon Associate, Umbral earns from qualifying purchases. Product data comes from Amazon and may change; ratings and prices are Amazon's, not Umbral's. Suggestions are based on the science and the form used in studies, never on commission.

Umbral is a wellness product, not a medical device. It does not diagnose, treat, cure or prevent any disease. Supplement information is educational; talk to a clinician before starting anything, especially if you are pregnant, under 18, managing a condition or taking medication.

These statements have not been evaluated by the Food and Drug Administration.