RLS Magnesium 650mg Capsules UK Magnesium Glycinate · No Fillers · Vegan
🧪 650mg Magnesium Glycinate🔒 Zero Fillers🌿 Vegan HPMC
Charge Products · Self-Encapsulated In-House UK · 5 Star Food Hygiene Rating · 156,000+ Verified Sales · UK Supplier Since 2016
650mg Magnesium Glycinate
Normal Muscle Function
Normal Nervous System Function
5 Star Food Hygiene Rating
Zero Fillers
Vegan HPMC Capsule
Self-Encapsulated UK
Same-Day Dispatch
⚠ Food Supplement Notice: This product is a food supplement only — not a licensed medicine. It is not intended to diagnose, treat, cure or prevent any disease, including Restless Legs Syndrome (RLS). The name "RLS Magnesium" reflects a common buyer search term only — not a therapeutic claim. RLS is a neurological condition. If you believe you have RLS, consult a qualified healthcare professional. No claim is made that this product treats or relieves RLS. Magnesium contributes to normal muscle function and normal nervous system function — authorised EU/UK food supplement health claims under Regulation No 432/2012.
Buy RLS Magnesium 650mg Capsules UK from Charge Products — an established UK supplement supplier since 2016 with 156,000+ verified marketplace sales. Each capsule contains 650mg Magnesium Glycinate — one of the most bioavailable forms of magnesium — with zero fillers and a vegan HPMC capsule shell. Available in 60, 120, 180, 300 and 500 capsule formats.
650mg
Magnesium Glycinate
10
Authorised UK health claims
0
Fillers & excipients
⭐5
Star Food Hygiene Rating
Section 01
Why UK Buyers Choose Charge Products RLS Magnesium
🧪
650mg Magnesium Glycinate
High-strength chelated magnesium — one of the most bioavailable forms available in food supplements
🔒
Zero Fillers
650mg active + vegan HPMC shell only. No MCC, no DCP, no magnesium stearate, no rice flour
🌿
Vegan HPMC Capsule
Not gelatin — suitable for vegans, vegetarians and those avoiding animal-derived ingredients
✅
10 Authorised Health Claims
Magnesium has more authorised EU/UK health claims than almost any other mineral in food supplements
🏭
Self-Encapsulated In-House UK
Filled at our own UK facility — direct quality control from ingredient to finished capsule
⭐
5 Star Food Hygiene Rating
Independently awarded by UK local authority inspection — searchable on FSA register
🇬🇧
UK Supplier Since 2016
8+ years continuous UK supplement supply — 156,000+ verified marketplace sales
🚚
Same-Day Dispatch
Before 3:30pm Monday–Friday from UK-held stock. Free delivery on orders over £10
Section 02
Full Ingredient Specification
RLS Magnesium 650mg Product
Charge Products RLS Magnesium Glycinate 650mg Capsules UK
Alt text: RLS Magnesium Glycinate 650mg capsules UK no fillers vegan HPMC muscle function support Charge Products
🧪 RLS Magnesium 650mg — Complete Specification
Active Ingredient
Magnesium Glycinate (Magnesium Bisglycinate)
Amount Per Capsule
650mg Magnesium Glycinate
Elemental Magnesium
Approximately 75–80mg per capsule
% NRV Per Capsule
Approximately 20% NRV (NRV: 375mg)
Capsule Shell
HPMC — Vegan ✔ (not gelatin)
Fillers / Excipients
NONE — active + HPMC shell only ✔
Suitable For
Vegans · Vegetarians
Available Sizes
60 · 120 · 180 · 300 · 500 capsules
Food Hygiene Rating
5 Star — independently awarded
Encapsulation
Self-encapsulated in-house UK
Classification
Food Supplement — not a medicine
Authorised Claims
10 authorised EU/UK health claims for magnesium
Section 03
Magnesium, Muscle Function & the Nervous System — What the Research Shows
Magnesium is an essential mineral involved in over 300 enzymatic reactions in the human body. It plays a fundamental role in normal muscle contraction and relaxation, and in normal nerve impulse transmission — both of which are authorised EU/UK health claims for magnesium as a food supplement.
Many UK adults searching for RLS magnesium capsules do so in the context of wanting to support normal muscle function and normal nervous system function through their diet. Magnesium's role in these pathways is well-established in the scientific literature.
📚 Academic Research Context — Educational Information Only. Not Product Claims.
The following summarises published peer-reviewed academic research. This information is provided for educational transparency only. It does not constitute a claim that this product treats, relieves or cures Restless Legs Syndrome or any other medical condition. This product is a food supplement — not a medicine. Always consult a healthcare professional if you have a medical condition.
A growing body of academic literature has explored the relationship between magnesium status and leg sensations in the context of sleep and muscle function. Research published in Food Science & Nutrition (2025) using Mendelian Randomisation methodology concluded that magnesium is "vital for muscle relaxation and nerve impulse transmission, modulating neurotransmitter balance" — noting this as "highly relevant to RLS pathophysiology." The research found a link between magnesium deficiency and increased muscle symptoms consistent with RLS.
A 2024 open-label pilot study in the Journal of Clinical Sleep Medicine administered magnesium supplementation to adults with primary RLS over 8 weeks and reported significant improvements in validated RLS scoring measures and quality of life. The researchers noted particular relevance in participants with lower magnesium status at baseline.
Observational studies have consistently found that lower magnesium levels correlate with more severe reported RLS symptoms, with the strongest responses seen in individuals with documented magnesium deficiency. A 2022 randomised controlled trial evaluated magnesium alongside vitamin B6 in RLS patients against a placebo group over two months.
Important caveat: NICE guidance does not currently recommend magnesium supplementation as a treatment for RLS. The evidence base, while promising, is drawn from small studies and requires larger placebo-controlled trials for definitive conclusions. Magnesium supplementation is most studied in the context of deficiency correction. This product does not claim to treat RLS.
🔬 Magnesium & Muscle Relaxation
Magnesium acts as a natural calcium antagonist — it regulates muscle contraction by opposing calcium's stimulating effect on muscle fibres. Adequate magnesium supports the normal relaxation phase of the muscle contraction cycle. This mechanism is the basis of magnesium's authorised claim for normal muscle function under EU/UK Regulation No 432/2012.
💡 Magnesium & Nerve Impulse Transmission
Magnesium modulates the NMDA receptor — an ion channel involved in nerve impulse transmission — and regulates neurotransmitter balance. It is essential for normal nerve signal propagation. This is the basis of its authorised claim for normal nervous system function. Magnesium deficiency has been associated with increased neuromuscular excitability in published research.
📊 Magnesium Deficiency in the UK
UK national dietary surveys suggest a significant proportion of UK adults may have magnesium intakes below the Reference Nutrient Intake (RNI). Groups at particular risk include older adults (reduced absorption efficiency), individuals with gastrointestinal conditions affecting absorption, and those with high physical activity levels. Magnesium deficiency can be difficult to detect via standard serum testing as most magnesium is intracellular.
◈ Why Magnesium Glycinate for This Purpose?
Magnesium Glycinate is widely considered one of the most bioavailable forms for correcting magnesium deficiency. The chelated bond with glycine protects the mineral during digestion and supports absorption in the small intestine. Unlike Magnesium Oxide (poor bioavailability) or Magnesium Citrate (can cause loose stools at higher doses), Glycinate has an excellent gastric tolerance profile — important for evening use at higher doses.
All claims authorised under EU Regulation No 432/2012 as retained in UK law. Food supplement claims — not medicinal claims.
✅ Authorised Health Claims for Magnesium — UK/EU Regulation No 432/2012
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Normal muscle functionMagnesium contributes to normal muscle function
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Normal nervous system functionMagnesium contributes to the normal functioning of the nervous system
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Normal energy-yielding metabolismMagnesium contributes to normal energy-yielding metabolism
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Reduction of tiredness and fatigueMagnesium contributes to the reduction of tiredness and fatigue
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Normal protein synthesisMagnesium contributes to normal protein synthesis
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Normal psychological functionMagnesium contributes to normal psychological function
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Maintenance of normal bonesMagnesium contributes to the maintenance of normal bones
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Maintenance of normal teethMagnesium contributes to the maintenance of normal teeth
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Normal cell divisionMagnesium has a role in the process of cell division
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Electrolyte balanceMagnesium contributes to electrolyte balance
Section 05
Magnesium Glycinate vs Other Forms — Why It Matters
Form
Bioavailability
Gastric Tolerance
Best For
Notes
Magnesium Glycinate ← This
✔ High — chelated
✔ Excellent
Daily high-dose use · evening use
Most bioavailable · gentle · no laxative effect
Magnesium Oxide
Low — poorly absorbed
Can cause discomfort
Cheap filler dose
High elemental Mg% but low absorption
Magnesium Citrate
Good
Laxative effect at high dose
Lower doses
Common but not ideal at 650mg+
Magnesium L-Threonate
Good — crosses BBB
Good
Cognitive support
Lower elemental Mg — specialist use
Magnesium Malate
Good
Good
Energy support
Less research than Glycinate
Section 06
Usage Guidance & Safety Information
Suggested serving: 1–2 capsules per day with food and water. Many buyers choose to take magnesium in the evening with a meal based on personal preference. Do not exceed 2 capsules per day.
⚠ Important safety information: Food supplement only — not a medicine. Do not exceed the recommended daily intake. Not suitable for children under 18. Consult a qualified healthcare professional before use if you have kidney disease (magnesium is contraindicated in impaired renal function without supervision), are taking prescribed medication (magnesium can interact with antibiotics, bisphosphonates, levothyroxine and diuretics — separate doses by 2–4 hours), are pregnant or breastfeeding, or are under medical supervision. If you believe you have Restless Legs Syndrome, seek professional medical diagnosis and treatment — do not rely on food supplements as a substitute for medical care.
🚫 Not suitable if you have kidney disease without medical supervision — magnesium is processed by the kidneys and high supplemental doses can be harmful in renal impairment. Always consult your GP or nephrologist before supplementing magnesium if you have any kidney condition.
Buy RLS Magnesium 650mg UK 🇬🇧
650mg Magnesium Glycinate. Zero fillers. Vegan HPMC. Self-encapsulated in-house. 5 Star Food Hygiene Rating. 156,000+ verified sales. Same-day dispatch before 3:30pm.
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Section 07
Frequently Asked Questions
Does this product treat Restless Legs Syndrome?
No. This product is a food supplement — not a medicine. No claim is made that it treats, relieves or cures RLS or any other medical condition. RLS is a neurological condition that requires professional medical diagnosis and treatment. NICE guidance does not currently recommend magnesium supplementation as a treatment for RLS. The name "RLS Magnesium" reflects a common buyer search term only.
Are people with RLS deficient in magnesium?
Some academic research has found an association between lower magnesium status and reported RLS symptoms. A 2025 Mendelian Randomisation study in Food Science & Nutrition found magnesium deficiency was linked to increased muscle symptoms relevant to RLS pathophysiology. A 2024 pilot study in the Journal of Clinical Sleep Medicine reported improvements in RLS scoring in participants supplemented with magnesium. However, the evidence base is not sufficient for NICE to recommend magnesium supplementation as an RLS treatment, and results are strongest in individuals with documented deficiency. Not everyone with RLS is magnesium deficient.
What health claims are authorised for magnesium?
Magnesium has 10 authorised EU/UK food supplement health claims under Regulation No 432/2012 including: normal muscle function · normal nervous system function · normal energy-yielding metabolism · reduction of tiredness and fatigue · normal psychological function · maintenance of normal bones and teeth · normal protein synthesis · electrolyte balance · normal cell division.
Why choose Magnesium Glycinate specifically?
Magnesium Glycinate is a chelated form with high bioavailability and excellent gastric tolerance at higher doses. Unlike Magnesium Oxide (low absorption) or Magnesium Citrate (can cause loose stools at high doses), Glycinate is absorbed well and tolerated comfortably — making it suitable for daily evening use at 650mg per capsule.
Are there fillers in these capsules?
No. 650mg Magnesium Glycinate + vegan HPMC capsule shell only. No bulking agents, no anti-caking agents, no excipients of any kind.
Is it safe to take magnesium if I have kidney disease?
No — not without medical supervision. Magnesium is processed by the kidneys and high supplemental doses can be harmful in renal impairment. Always consult your GP or nephrologist before supplementing magnesium if you have any kidney condition.
Can magnesium interact with medications?
Yes. Magnesium can interact with certain antibiotics (tetracyclines, fluoroquinolones), bisphosphonates, levothyroxine and diuretics. Separate magnesium supplementation from these medications by 2–4 hours. Always consult a qualified healthcare professional or pharmacist if you are taking any prescribed medication.
RLS Magnesium 650mg Product