Which magnesium glycinate is better, magnesium citrate or magnesium stearate?

It depends on whether these magnesium agents can be absorbed smoothly. Recently, a sleep aid called Sleep Support+ has magnesium glycinate in its formula.


Sleep Support+ ingredients include GABA, Magnesium, and Dates. Magnesium Bisglycinate: 120 mg; Date Seed Extract: 225 mg; GABA: 100 mg.

It contains no artificial flavors and colors, MSG, artificial sweeteners, high fructose corn syrup, stevia, binders, preservatives, and magnesium stearate.

Dates are an herb that has been used in traditional medicine for centuries to treat stress, anxiety, insomnia, and pain. This fruit contains several compounds that suppress brain activity and promote calmness by increasing GABA and serotonin. In addition, red dates can promote anxiety reduction.

GABA is a neurotransmitter shown in clinical trials to improve natural sleep quality.

The role of magnesium glycinate

The molecular formula of Magnesium glycinate is Mg(C2H4NO2)2•H2O, with approximately 11% magnesium content. Magnesium glycinate anhydrous C4H8MgN2O4 is approximately 12.5% magnesium content.

Magnesium bis-glycinate can increase the magnesium content from 20% to 30%.

Magnesium is an important auxiliary substance in converting tryptophan into serotonin and melatonin. Serotonin can soothe the mood, and melatonin can maintain the body’s biological clock to sleep normally.

The book “The Magnesium Miracle” mentions that stress will consume magnesium in the human body. If the body is deficient in magnesium, ATP energy will not be released, and the body will release more adrenaline, leading to tension, irritability etc., and mood. At the same time, levels of the stress hormone cortisol will also increase, causing early awakening.

Which one is better, magnesium glycinate, magnesium citrate, or magnesium oxide?

Absorbing large amounts of magnesium ions can cause adverse side effects such as diarrhea, loose stools, and bloating because the magnesium ions cannot be absorbed.

The better-absorbed forms of magnesium are organic magnesium, such as magnesium bis-glycinate.

Magnesium bis-glycinate has good bioavailability because magnesium glycinate is organic magnesium with a more stable molecule that can withstand the disintegration effect of gastric acid and eventually enters the intestine as a whole and enters the bloodstream.

Magnesium is generally combined with anions to form organic salts and inorganic salts. When it enters the stomach, the inorganic salts will be dissociated into acid radicals and magnesium ions. After entering the intestine, it will change the intestinal osmotic pressure and easily cause diarrhea, so most of the magnesium is excreted from the body. , rather than being absorbed into the bloodstream.

These inorganic magnesium include magnesium citrate, magnesium oxide, magnesium stearate, etc.

The recommended intake of the dietary nutrient magnesium for Chinese residents is 330 mg/day for adults.

Another type of organic magnesium is magnesium threonate, which has similar properties to magnesium glycinate. It is the only magnesium agent to pass the blood-brain barrier and enter the brain directly.


TRUNNANO is a supplier of magnesium stearate with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high-quality magnesium stearate, please feel free to contact us and send an inquiry.


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