Vitamins and minerals
Active B Complex
B vitamins + choline, citicoline, and myo-inositol
100 plant-based capsules
Doctor Life
Daily OptimizersSupport for memory and focus
Four categories. Find the support that fits your needs.
Overview
A focused formula for demanding mental work, study, and multitasking. Made for adults, Magtein® Cognitive Support centers on patented Magtein® magnesium L-threonate, with memory and concentration in mind.
At the heart of the formula / Magtein® Cognitive Support
Magtein® Cognitive Support
Magtein® Cognitive Support
Magtein® Cognitive Support
Ingredients / Doctor Life
Each ingredient, its form and quantity — in one place.
| Ingredient | 1 capsule | 3 capsules |
|---|---|---|
| Magtein® magnesium L-threonate | 444.3 mg | 1,333 mg |
| of which magnesium | 32 mg (8.5%*) | 96 mg (26%*) |
| Citicoline | 33.3 mg | 100 mg |
| Acetyl-L-carnitine | 50 mg | 150 mg |
| Bacopa extract | 25 mg | 75 mg |
| Mango extract | 58.3 mg | 175 mg |
| Shilajit | 25 mg | 75 mg |
| of which fulvic acids (60%) | 15 mg | 45 mg |
| Ginkgo leaf extract | 10 mg | 30 mg |
| Lion's mane mycelium extract | 66.7 mg | 200 mg |
*NRV: Nutrient Reference Value
How to use
Science & sources
These publications concern the studied ingredients or formulas. They do not all evaluate the finished Doctor Life product, and research results do not guarantee individual outcomes.
A.L. Lopresti, S.J. Smith
Frontiers in Nutrition (2026), 12, 1729164. DOI: 10.3389/fnut.2025.1729164; PMID: 41601871.
In a six-week study involving 100 adults, Magtein® was associated with favorable changes in overall cognitive performance, working and episodic memory, and reaction time. These findings contribute to research on this form of magnesium and cognitive function.
Read publication ↗E. Nakazaki, E. Mah, K. Sanoshy, D. Citrolo, F. Watanabe
The Journal of Nutrition (2021), 151(8), 2153–2160. DOI: 10.1093/jn/nxab119; PMID: 33978188.
In a 12-week study involving 100 adults ages 50–85, citicoline was associated with improved overall memory scores, particularly episodic memory. The findings provide context for its inclusion in a formula focused on everyday cognitive function.
Read publication ↗E.L. Wightman, P.A. Jackson, J. Forster, J. Khan, J.C. Wiebe, N. Gericke, D.O. Kennedy
Nutrients (2020), 12(8), 2194. DOI: 10.3390/nu12082194; PMID: 32717999.
In a placebo-controlled crossover study involving 70 healthy adults, mango leaf extract improved attention accuracy, episodic memory, and performance on tasks under cognitive load. The publication contributes to research on ingredients for mentally demanding days.
Read publication ↗C. Calabrese, W.L. Gregory, M. Leo, D. Kraemer, K. Bone, B. Oken
The Journal of Alternative and Complementary Medicine (2008), 14(6), 707–713. DOI: 10.1089/acm.2008.0018; PMID: 18611150.
In a 12-week trial in adults over 65, bacopa extract was associated with improvements in delayed recall and performance on a task requiring participants to ignore distracting information. These findings contribute to research on memory and selective attention.
Read publication ↗Doctor Life formulas
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