Magnesium Glycinate vs. Citrate: Which Helps You Sleep Better?

Magnesium Glycinate vs. Citrate: Which Helps You Sleep Better?

If you’ve ever tossed and turned at night, stared at the ceiling with a restless mind, or woken up feeling more tired than when you went to bed, you’re not alone. Millions of people worldwide struggle with poor sleep quality, and one of the most overlooked factors may be something as simple as low magnesium levels. Magnesium is often called the “relaxation mineral” because of its powerful role in calming the nervous system, relaxing tight muscles, supporting melatonin production, and helping the body shift from stress into rest. In fact, studies suggest that nearly half of adults don’t get enough magnesium from diet alone - which can directly affect sleep, energy, and overall wellbeing.

But here’s where it gets tricky: not all magnesium supplements are created equal. When shopping for sleep support, you’ll often see two forms stand out - magnesium glycinate and magnesium citrate. Both can raise your magnesium levels, but they work in different ways. Magnesium glycinate is widely regarded as the best form for insomnia, anxiety, and relaxation, while magnesium citrate is often used for digestion and constipation relief. If your goal is deeper, more restorative sleep, choosing the right type matters.

In this guide, we’ll explore the differences between magnesium glycinate vs citrate, why one is a clear winner when it comes to better sleep, and how Moongreens leverages magnesium glycinate in its plant-based sleep supplement for maximum results. You’ll learn how each form works, which is best for calming the mind before bed, and how to build a nightly ritual that actually helps you drift off naturally. If you’ve been searching for the most effective natural sleep aid in 2025, this comparison will help you decide.


Why Magnesium Is the Unsung Hero of Sleep Supplements

If you’ve struggled with restless nights, tight muscles, or a racing mind, you may be low in magnesium. In fact, research suggests that nearly 50% of adults don’t get enough magnesium through diet alone.

This mineral is often called the “chill nutrient” because it:

  • Activates GABA, the brain’s main calming neurotransmitter.

  • Relaxes tight muscles and reduces nighttime cramping.

  • Helps regulate melatonin, your sleep hormone.

  • Supports stress resilience and recovery.

But here’s the catch: not all magnesium supplements work the same way. The form of magnesium you take matters - a lot. That’s why people often compare magnesium glycinate vs. citrate, the two most popular types.

So, which is better for sleep? Let’s break it down.

Magnesium Glycinate – The Nervous System’s Best Friend

Magnesium glycinate is magnesium bound to the amino acid glycine, which has its own sleep-enhancing benefits.

Why Magnesium Glycinate Helps Sleep:

  • Easily absorbed – gentle on digestion, high bioavailability.

  • Calms the nervous system – boosts GABA and reduces excitatory brain activity.

  • Supports deep sleep – glycine itself lowers body temperature and improves sleep quality.

  • Reduces anxiety and stress – perfect for those whose busy mind keeps them awake.

Best Time to Take: 1–2 hours before bed.
Typical Dose: 200–400 mg daily.

This form is considered the gold standard for relaxation and sleep, which is why it’s included in many premium sleep formulas - including Moongreens.

 

Magnesium Citrate – The Digestion-Friendly Option

Magnesium citrate is magnesium bound to citric acid. It’s one of the most common forms on the market, often used as a digestive support.

Why Magnesium Citrate Is Different:

  • Supports bowel regularity – often used to relieve mild constipation.

  • Moderately absorbed – better than oxide, but less than glycinate.

  • Not as calming – doesn’t have the added glycine benefit.

  • May cause loose stools – especially at higher doses.

Best Time to Take: Usually in the morning or daytime.
Typical Dose: 200–400 mg daily (smaller doses if sensitive).

While magnesium citrate is great for digestion and overall magnesium intake, it’s not the top choice for sleep.

 

Magnesium Glycinate vs. Citrate: Which One Wins for Sleep?

If your main goal is better sleep, relaxation, and stress relief, magnesium glycinate is the clear winner.

Feature

Magnesium Glycinate

Magnesium Citrate

Absorption

High

Moderate

Digestive Effects

Gentle

Can loosen stools

Sleep Benefits

Strong (via GABA + glycine)

Minimal

Stress Relief

Excellent

Limited

Best Use

Sleep, relaxation, anxiety

Digestion, constipation relief

In short:

  • Choose glycinate for sleep, stress, and recovery.

  • Choose citrate for digestion and constipation support.

That’s why modern sleep supplements - including Moongreens Sleep Formula - focus on magnesium glycinate.

 

Why Moongreens Uses Magnesium Glycinate

At Moongreens, the goal wasn’t just to include magnesium, but to use the form that’s most effective for relaxation and deep rest.

✔️ Magnesium Glycinate – calms the nervous system and supports GABA.
✔️ Ashwagandha KSM-66® – balances cortisol and lowers stress.
✔️ L-Theanine – promotes calm without sedation.
✔️ Tart Cherry – provides natural melatonin.
✔️ Chamomile (Apigenin) – eases mild anxiety and supports sleep onset.
✔️ Probiotics + Prebiotics – regulate gut health for serotonin and melatonin production.

Together, this creates a holistic sleep supplement that addresses the root causes of poor sleep - not just the symptoms.

Building a Nightly Ritual With Magnesium Glycinate

Supplements are most effective when paired with good sleep hygiene. Try combining Moongreens with these rituals:

  • Digital sunset – turn off screens 60 minutes before bed.

  • Herbal tea ritual – chamomile, lemon balm, or tulsi tea.

  • Breathwork or meditation – 10 minutes of deep breathing lowers cortisol.

  • Consistent bedtime – align your circadian rhythm.

  • Cool, dark bedroom – optimize your sleep environment.

Moongreens FAQ – Magnesium and Sleep

Q1: Why does Moongreens use magnesium glycinate instead of citrate?
Magnesium glycinate is better absorbed, gentler on the stomach, and directly supports sleep through GABA and glycine activity. Citrate is helpful for digestion, but less effective for relaxation.

Q2: Can magnesium glycinate really improve sleep?
Yes. Studies show magnesium glycinate helps reduce anxiety, improve sleep efficiency, and increase time spent in deep sleep stages.

Q3: Can I take magnesium glycinate daily?
Absolutely. Magnesium glycinate is safe for daily use and supports long-term nervous system health.

Q4: Should I combine magnesium glycinate with other sleep supplements?
Yes. Magnesium works best in synergy with adaptogens (ashwagandha), amino acids (L-theanine), and natural melatonin sources (tart cherry). That’s why Moongreens combines them all.

Q5: What’s the best time to take magnesium glycinate?
Evening, about 1–2 hours before bed, to help relax muscles and prepare your body for sleep.

Q6: Is magnesium citrate bad for sleep?
Not necessarily, but it’s less effective. Magnesium citrate is primarily used for digestion. It doesn’t provide the calming glycine effect that magnesium glycinate does.

 

The Bottom Line: Glycinate Is the Sleep Champion

Both magnesium glycinate and citrate have their place in wellness. But when it comes to improving sleep, calming the nervous system, and reducing stress, glycinate clearly wins.

👉 That’s why Moongreens Sleep Formula uses magnesium glycinate - giving you the most effective form for restorative, natural sleep.

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