The research

What's in every strip, and why it's there

Every DOSIS mood is built from ingredients that have been studied for years. Here's what each one does, how strong the research is, and where to read it yourself.

EXPLORE THE RESEARCH
14Key ingredients across four moods, each dose printed on the tin
28Studies and official fact sheets linked below, so you can check them yourself
0Pills to swallow. No water, no chewing

Why a strip

The format pharmacies already trust

Oral thin films (dissolvable strips) are an established way to deliver active ingredients. They're used for medicines that need to be easy to take: no water, nothing to swallow, and a pre-measured dose in every strip.

For a daily supplement, that matters most for one reason: you actually take it. A tin in your bag beats a bottle in a cabinet.

1
Open the tinWith dry hands, take one strip.
2
Place it on your tongueNo water, no chewing, nothing to swallow.
3
Let it dissolveThe strip melts on its own. One a day.

Ingredient by ingredient

Mood by mood

Evidence ratings: ★★★ strong, ★★☆ studied in people, research growing. We'd rather show you the real picture than overpromise.

Caffeine from green tea

50 mg

The world's most studied stimulant. 50 mg is about half a cup of coffee: enough for a lift, without the big dose.

★★★ Strong evidence for alertness
Research

L-Theanine

30 mg

An amino acid found naturally in tea. It's often paired with caffeine, and studies of the pair look at attention and alertness.

★★☆ Moderate evidence (with caffeine)
Research

Good to know: most studies used more L-theanine than our 30 mg, usually 50 to 250 mg.

Vitamin B12

1000 mcg

An essential vitamin your body uses to turn food into energy and to make red blood cells. We use methylcobalamin, an active form.

★★★ Strong evidence for its role in energy metabolism
Research

Research library

Read it yourself

The studies and official fact sheets behind our ingredients, in one place.

★★★ Strong★★☆ Studied in people
Strips · Review★★☆

Orally disintegrating films: a modern expansion in drug delivery system

Irfan et al., Saudi Pharmaceutical Journal, 2016

Read →
Strips · Review★★☆

Advances in oral transmucosal drug delivery

Patel et al., Journal of Controlled Release, 2011

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Energy · Trial★★☆

The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness

Giesbrecht et al., Nutritional Neuroscience, 2010

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Energy · Trial★★☆

The combined effects of L-theanine and caffeine on cognitive performance and mood

Owen et al., Nutritional Neuroscience, 2008

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Energy · Trial★★☆

The effects of L-theanine, caffeine and their combination on cognition and mood

Haskell et al., Biological Psychology, 2008

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Energy · Trial★★☆

Effects of L-theanine on stress-related symptoms and cognitive functions in healthy adults

Hidese et al., Nutrients, 2019

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Energy · Systematic review★★☆

Acute effects of L-theanine, caffeine and EGCG on cognitive function and mood

Camfield et al., Nutrition Reviews, 2014

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Energy · Systematic review★★☆

The cognitive-enhancing outcomes of caffeine and L-theanine

Anas Sohail et al., Cureus, 2021

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Energy · Systematic review★★☆

Effects of tea or its compounds L-theanine and L-theanine plus caffeine on cognition

Payne et al., Nutrition Reviews, 2025

Read →
Energy · Fact sheet★★★

Vitamin B12: fact sheet for health professionals

NIH Office of Dietary Supplements

Read →
Focus · Trial★★☆

Improving effects of the mushroom Yamabushitake (lion's mane) on mild cognitive impairment

Mori et al., Phytotherapy Research, 2009

Read →
Focus · Trial★★☆

Effect of Cs-4 (Cordyceps sinensis) on exercise performance in healthy older subjects

Chen et al., Journal of Alternative and Complementary Medicine, 2010

Read →
Focus · Overview★★☆

Mushrooms: what you need to know

NIH National Center for Complementary and Integrative Health

Read →
Beauty · Review★★☆

A review of the use of biotin for hair loss

Patel et al., Skin Appendage Disorders, 2017

Read →
Beauty · Study★★☆

Treatment of brittle fingernails with biotin: scanning electron microscopy

Colombo et al., Journal of the American Academy of Dermatology, 1990

Read →
Beauty · Study★★☆

Brittle nails: response to daily biotin supplementation

Hochman et al., Cutis, 1993

Read →
Beauty · Fact sheet★★★

Biotin: fact sheet for health professionals

NIH Office of Dietary Supplements

Read →
Beauty · Fact sheet★★★

Folate: fact sheet for health professionals

NIH Office of Dietary Supplements

Read →
Beauty · Fact sheet★★★

Vitamin D: fact sheet for health professionals

NIH Office of Dietary Supplements

Read →
Sleep · Meta-analysis★★☆

Meta-analysis: melatonin for the treatment of primary sleep disorders

Ferracioli-Oda et al., PLoS One, 2013

Read →
Sleep · Meta-analysis★★☆

Valerian for sleep: a systematic review and meta-analysis

Bent et al., American Journal of Medicine, 2006

Read →
Sleep · Review★★☆

Therapeutic efficacy and safety of chamomile for state anxiety, generalized anxiety disorder, insomnia, and sleep quality

Hieu et al., Phytotherapy Research, 2019

Read →
Sleep · Trial★★☆

The absolute bioavailability of oral melatonin

DeMuro et al., Journal of Clinical Pharmacology, 2000

Read →
Sleep · Meta-analysis★★☆

Valerian root in treating sleep problems: a systematic review and meta-analysis

Shinjyo et al., Journal of Evidence-Based Integrative Medicine, 2020

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Sleep · Trial★★☆

Effects of valerian on sleep quality, depression and anxiety in hemodialysis patients

Tammadon et al., Oman Medical Journal, 2021

Read →
Sleep · Overview★★☆

Melatonin: what you need to know

NIH National Center for Complementary and Integrative Health

Read →
Sleep · Overview★★☆

Lavender

NIH National Center for Complementary and Integrative Health

Read →
Sleep · Overview★★☆

Chamomile

NIH National Center for Complementary and Integrative Health

Read →

Quality

Made to a higher standard

Third-party testedChecked by independent labs
cGMP compliantMade under current Good Manufacturing Practices
FDA-registered facilityMade in an FDA-registered facility
USA-based fulfillmentPacked and shipped from the US

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SHOP THE MOODS

*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. The research linked here studies individual ingredients, often at different doses than in DOSIS, and is shared for education. Talk to your doctor before taking supplements if you're pregnant, nursing, take medication or have a medical condition.