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Benefits of Magnesium Citrate for Kids

Medically Reviewed by May Zhu, RDN | Published February 09, 2025

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Magnesium citrate is a popular and effective supplement for addressing a range of health concerns in kids, from constipation to muscle cramps.

As a fairly bioavailable form of magnesium, it is well-absorbed and works quickly, making it a go-to choice for parents seeking natural support for their kid’s overall well-being.

Whether your kid struggles with digestive issues, sleep challenges, or muscle tension, magnesium citrate can provide targeted benefits in a gentle and effective way.

Eases Constipation Symptoms Naturally

One of the most well-known benefits of magnesium citrate is its ability to relieve constipation.

Acting as an osmotic laxative, magnesium citrate draws water into the intestines, softening stools and making them easier to pass. This mechanism works gently and effectively, providing relief without the harsh effects of stimulant laxatives (Fine et al., 1991).

For kids dealing with occasional or chronic constipation, magnesium citrate can help establish regular bowel movements, reducing discomfort and avoiding stool withholding behaviors. It is commonly available in liquid or powder forms that can be mixed with water or juice, making it easy to administer.

Supports Muscle Relaxation and Growth

Growing kids often experience muscle cramps or discomfort during growth spurts or physical activity. Magnesium citrate helps by relaxing muscles and supporting healthy nerve function.

Magnesium is essential for proper muscle contraction and relaxation, and a deficiency can lead to cramping or muscle tightness (Rosanoff et al., 2012).

By ensuring adequate magnesium levels, magnesium citrate can help alleviate muscle tension and provide relief from aches and cramps, especially for active kids or those participating in sports.

Improves Sleep Quality

Many parents turn to magnesium citrate to help improve their kid’s sleep. Magnesium plays a vital role in the production of melatonin, the hormone responsible for regulating sleep-wake cycles. I

t also calms the nervous system by regulating neurotransmitters like gamma-aminobutyric acid (GABA), which promotes relaxation (Abbasi et al., 2012).

If your toddler or kid struggles to fall asleep or stay asleep, a small dose of magnesium citrate before bedtime can encourage relaxation and help them establish a restful nighttime routine.

Enhances Digestive Health

In addition to relieving constipation, magnesium citrate supports overall digestive health. It promotes healthy gut motility and helps maintain a balance in the digestive system.

When used in appropriate doses, it can reduce bloating and encourage smooth digestion, making it beneficial for kids with mild digestive complaints.

Easy to Administer and Fast-Acting

Magnesium citrate is a highly bioavailable form of magnesium, meaning it is easily absorbed by the body.

This makes it an excellent option for kids who need quick relief from constipation or muscle tension. Available in liquid or powder form, it can be conveniently mixed with beverages, ensuring a hassle-free experience for parents and kids alike.

Summary

Magnesium citrate is a gentle and effective option for kids, providing relief from constipation, supporting muscle relaxation, and improving sleep quality. 

View Citation

  • Fine, K. D., & Schiller, L. R. (1991). AGA technical review on the evaluation and management of chronic diarrhea. Gastroenterology, 116(6), 1464–1486. https://doi.org/10.1016/S0016-5085(99)70510-5
  • Rosanoff, A., Weaver, C. M., & Rude, R. K. (2012). Suboptimal magnesium status in the United States: Are the health consequences underestimated? Nutrition Reviews, 70(3), 153–164. https://doi.org/10.1111/j.1753-4887.2011.00465.x
  • Abbasi, B., Kimiagar, M., Sadeghniiat, K., Shirazi, M. M., Hedayati, M., & Ghaemi, M. (2012). The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial. Journal of Research in Medical Sciences, 17(12), 1161–1169.