Superior Sleep and Muscle Support Through Maximum Absorption

Magnesium Bisglycinate delivers 150mg of elemental magnesium in its most absorbable form. The glycine-bound structure bypasses digestive stress while ensuring optimal uptake for sleep quality, muscle recovery, and nervous system calm.

Why This Formula

✔ Magnesium Bisglycinate — gentler than oxide or sulphate forms, with superior intestinal absorption
✔ 150mg elemental magnesium per capsule — clinically relevant dosage
✔ Glycine chelate reduces gastrointestinal side effects common with other magnesium types
✔ Supports normal muscle function, energy production, and psychological calm
✔ Free from gluten, GMOs, yeast, dairy — pure formula, nothing unnecessary

Who It's For

Anyone seeking better sleep quality, muscle relaxation after training, or nervous system support without digestive upset. Ideal for those who've experienced stomach sensitivity with magnesium oxide or other poorly absorbed forms.

The xSpan Labs Standard

Small-batch manufactured in the UK to GMP and ISO 9001 standards. No unnecessary fillers, no artificial colours, no inflated marketing — just premium-grade ingredients in their most effective forms. Every batch is tested for purity and potency.

Magnesium Bisglycinate 500mg

Name: Magnesium Bisglycinate 500mg
Brand: xSpan Labs
SKU: CF-163
Price: 10.97 GBP
Availability: InStock
Rating: 4.6 (8 reviews)

Rating is 4.6 out of five stars based on 8 reviews

SKU: CF-163

£13.97

£10.97

Quantity

Directions

Adults, take one to three capsules per day with food and water. Do not exceed recommended daily serving.

Ingredients

Magnesium 150mg (40% NRV*) from Magnesium Citrate 500mg *Nutrient Reference Value.

Other Ingredients: Capsule Shell -Hydroxypropyl Methylcellulose, Bulking Agent - Brown Rice Flour, Magnesium Stearate, Silicon Dioxide.

Cautions

Always consult your health practitioner before taking nutritional supplements if you are taking medication or are under medical supervision. Pregnant or lactating mothers should consult a health practitioner before using health supplements. You should not take supplements as a substitute for a varied balanced diet. Store in a cool dry place, out of reach of children. Do not exceed stated dose unless under instruction from your health practitioner. Allergies/Intolerances:This product is manufactured in a facility that also handles allergy based materials such as nuts, seeds, milk, egg, cereals, soya, mustard, celery, fish, crustaceans and sulphites.

Suitable for both Vegetarians or Vegans.
xSpan Labs Pure Magnesium Glycinate is made up of Magnesium bound to the amino acid glycine, which aids in intestine absorption

Why Glycinate?

Magnesium Bisglycinate is is less likely to cause gastrointestinal side effects. Sources such as Oxides and Sulphates are harder for our body to utilize, even in huge amounts. These can also cause unwanted side effects. Magnesium Glycinate is a lot kinder to the body and a lot easier to absorb

Magnesium contributes to a reduction of tiredness and fatigue

Magnesium contributes to normal functioning of the nervous system

Magnesium contributes to normal muscle function, protein synthesis, psychological maintenance of normal bones and normal teeth

xSpan Labs Magnesium Bisglycinate capsules are manufactured using only the finest quality raw materials in their best grade and purest form so that we can guarantee you receive a consistently high-quality product. Utilising the latest research to bring you premium, balanced, scientifically validated formulations free from: ✘gluten, ✘GMOs, ✘added sugar, ✘yeast.

Suitable for Vegetarians and Vegans

Reviews

Rated 4.6 out of 5 stars.

4.6 | 8 reviews

8 reviews

ChappersOct 26, 2023
Rated 3 out of 5 stars.
Average value for the 100%NRV quantity
This Magnesium supplement comes in a narrow plastic container. The product consists of 90 capsules with a recommended dosage of between 1 and 3 capsules per day.
Amazon customerMar 26, 2024
Rated 4 out of 5 stars.
Good form of Magnesium for absorption
I like to take Magnesium biglycinate every night before sleep. This is 90 capsules so 3 months supply at a good price.
Mrs ANov 11, 2025
Rated 5 out of 5 stars.
Very effective for sleep, but be careful of dosage!
Oh wow, these do work! In fact, it turned out that 2 per evening was just too strong for me.
KateJul 12, 2024
Rated 5 out of 5 stars.
Good quality
One of the best magnesium supplements I've found. Definitely helps with sleep.
grasshopperJan 02, 2025
Rated 5 out of 5 stars.
Excellent
The tablets do exactly what they say I now get rest from the nerves in my legs

Magnesium Bisglycinate 500mg

Supplement Facts

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Reviews