There are various forms of magnesium supplements, and each form may serve different purposes due to differences in bioavailability and effects:

1. Magnesium Citrate: Known for its higher bioavailability, magnesium citrate is often recommended for improving magnesium levels in the body efficiently¹. It has been used to alleviate symptoms of fatigue because magnesium plays a role in energy production and ATP (adenosine triphosphate) synthesis².

2. Magnesium L-Threonate: This form is unique as it has been shown to cross the blood-brain barrier effectively, thereby potentially enhancing brain magnesium levels and offering cognitive benefits³. It could be considered for mental fatigue or enhancing brain function.

Magnesium plays a crucial role in energy production and is involved in over 300 enzymatic reactions, including those necessary for the creation of ATP, the energy currency of the cell². If you're experiencing fatigue, magnesium citrate may be a suitable choice due to its effective absorption and role in energy metabolism¹².

If you need more tailored recommendations, consulting with a healthcare provider can provide guidance based on your individual health needs.

Footnotes

1. "Magnesium supplements: Harvard T.H. Chan School of Public Health" HSPH, 2024. ↩ ↩²

2. Anne-Laure Tardy, "Vitamins and Minerals for Energy, Fatigue and Cognition," PMC, 2020. ↩ ↩² ↩³

3. Chengxiang Zhang, "A Magtein®, Magnesium L-Threonate, -Based Formula," PMC, 2022. ↩