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delivery_truck_speed Free Next Day Delivery
star Excellent on Trustpilot
verified_user Trusted UK Wellness Brand
labs Third Party Tested
delivery_truck_speed Free Next Day Delivery
star Excellent on Trustpilot
verified_user Trusted UK Wellness Brand
labs Third Party Tested

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The Science Behind Supplements from My Dailys

The Science Behind My Dailys Supplements

We build products on research, not trends. Below is a clear, growing list of peer-reviewed studies that informed our formulas and quality standards. Every product is third-party tested for purity and potency.

Vitamin D3 + K2

D3 supports vitamin D status and immune function. K2 helps direct calcium to bones and away from arteries. Together they’re studied for bone strength and cardiovascular health markers.

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Heaney et al. (2011) — Vitamin D₃ was studied against vitamin D₂ for raising serum vitamin D levels.

Human randomized trial

Vermeer (2013) — Review of vitamin K₂ and its role in human health.

Scientific review

Knapen et al. (2015) — Studied long-term MK-7 supplementation and arterial stiffness in postmenopausal women.

Human randomized trial

van Ballegooijen & Beulens (2017) — Reviewed the relationship between vitamins D and K in bone and cardiovascular health.

Scientific review

Brinkley et al. (2016) — Studied vitamin K-related biomarkers in older adults.

Human randomized trial

NMN — Nicotinamide Mononucleotide

NMN is a precursor to NAD+, an essential molecule involved in cellular energy, metabolism and repair. Research ranges from human clinical trials to emerging studies investigating skin ageing, UV damage and cellular health.

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Irie et al. (2020) — NMN & NAD+ Metabolism
Studied oral NMN and changes in NAD+ metabolites in healthy men.

Human study

Yoshino et al. (2021) — NMN & Insulin Sensitivity
Investigated NMN and skeletal-muscle insulin sensitivity in postmenopausal women.

Human randomized trial

Liao et al. (2021) — NMN & Exercise Performance
Studied NMN supplementation alongside exercise training and aerobic capacity.

Human randomized trial

Yi et al. (2023) — NMN, NAD+ & Physical Performance
A 60-day trial studying 300–900 mg NMN, blood NAD levels, physical performance and safety.

Human randomized placebo-controlled trial

Morifuji et al. (2024) — NMN in Older Adults
Studied NAD+ levels, walking performance and sleep measures following NMN supplementation.

Human randomized placebo-controlled trial

Kim et al. (2025) — NMN & UV-B Skin Photoaging
Studied oral NMN in UV-B-exposed mice, including wrinkles, collagen, hydration, elasticity and skin-barrier function.

Animal study

NMN & UV-Induced Skin Damage (2021)
Investigated NMN, oxidative stress and cellular damage caused by UV exposure.

Animal + cell study

NMN & UV-B Collagen Loss (2025)
Investigated how NMN affected collagen reduction and oxidative stress following UV-B exposure.

Preclinical research

NMN & UV-B Skin Damage (2021)
Studied NMN in a mouse model of UV-B photodamage, including collagen, skin structure, oxidative stress and inflammation.

Animal study

Brito et al. (2022) — NMN & Age-Related Pigmentation
Studied NMN in aged melanocytes and a reconstructed human skin model, focusing on melanin production.

Cell + reconstructed skin model

Zhang et al. (2024) — NMN & Psoriasis Research
Investigated NMN in experimental psoriasis models, including inflammation, oxidative stress and excessive skin-cell proliferation.

Animal + cell study

Kang et al. (2025) — NMN & Skin Cell Ageing
Studied NMN in human skin fibroblasts, including NAD+, cellular stress, senescence, mitochondrial function and extracellular-matrix integrity.

Human skin cell study

Lion’s Mane — Hericium erinaceus

Lion’s Mane contains hericenones and erinacines — compounds studied for NGF support and cognition. Human trials suggest benefits for mild cognitive changes and mood.

View Lion’s Mane product

Mori et al. (2009) — Studied cognitive scores in older adults with mild cognitive impairment.

Human randomized trial

Nagano et al. (2010) — Studied mood, anxiety and irritation in women consuming Lion’s Mane.

Human study

Kawagishi et al. (2008) — Investigated compounds associated with nerve growth factor activity.

Compound research

Li et al. (2020) — Reviewed neurotrophic and neuroprotective research surrounding Hericium erinaceus.

Scientific review

Zhang et al. (2021) — Reviewed cognitive and mood outcomes from Lion’s Mane research.

Scientific review

Magnesium Glycinate

Magnesium supports energy, relaxation, and muscle function. Glycinate is highly bioavailable and gentle. Human data and reviews explore sleep, stress, and neuromuscular benefits.

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Abbasi et al. (2012) — Studied magnesium supplementation and sleep-related measures in older adults with insomnia.

Human randomized trial

Boyle et al. (2017) — Reviewed magnesium supplementation and subjective anxiety and stress.

Systematic review

Walker et al. (2003) — Compared absorption and bioavailability of different magnesium preparations.

Human absorption study

DiNicolantonio et al. (2018) — Review of magnesium and its physiological roles.

Scientific review

Cuciureanu & Vink (2011) — Reviewed magnesium's role within the central nervous system.

Scientific review

Information on this page is for educational purposes only and is not a substitute for medical advice. Research shown includes human, animal, cell and preclinical studies and does not mean the same outcomes have been demonstrated in humans. Always consult a qualified health professional about personal health questions.

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