Vitality Pro

Magnesium Glycinate

Magnesium glycinate is known for its high absorption rate, high elemental magnesium content, and reduced likelihood of causing digestive issues compared to other forms of magnesium.

Features

  • 700mg per capsule
  • Including 98mg of elemental magnesium
  • Take 2-3 per day
  • Fully reacted
  • Suitable for vegans 
  • Free from common allergens

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Third-Party Tested

Date • Batch # • Results

Purity results include Heavy Metals

Current Batch:

March 2026

•

2501437

Previous results:

May 2025

•

BN2401069 – 2500222


December 2024

•

BN2400807


June 2023

•

BN050123

GMP Certified Facility

Our supplements are manufactured in the UK, at facilities in Oxford and the North of England, following Good Manufacturing Practice (GMP) standards.

GMP sets requirements for hygiene, production, quality control, and traceability, helping ensure supplements are consistently manufactured under controlled conditions.

Our manufacturing partners hold independently issued GMP certificates. Rather than simply asking you to take our word for it, we've made these available below for you to review.

Our UK Manufacturers' GMP Certificates

Issued by Eurofins and SGS.

Manufacturer 1

Manufacturer 2

Manufacturer names have been redacted for commercial confidentiality.

ISO Quality Managed

Vitality Pro is independently certified to ISO 9001:2015, an internationally recognised standard for quality management systems.

Maintaining this certification requires ongoing monitoring, documented checks, regular reporting and independent audits. These processes help identify areas for improvement, ensure issues are addressed, and continually strengthen the systems and controls behind our supplements. It's a commitment to quality that must be demonstrated and maintained, not simply claimed.

We believe quality should be independently verified, not simply claimed. You can view our ISO 9001:2015 certificate below.

Our ISO 9001:2015 Certificate

View Our Certificate

Ingredients

View supplement label

Capsules Per Container: 120

Amount Per Capsule Amount %NRV
Magnesium Glycinate 700mg *
Fully reacted
Providing 98mg Elemental Magnesium * 26%

Nutrient Reference Value not established*

Storage & Stability

To maintain the potency and quality of your Magnesium Glycinate supplements, store them in a cool (20°C-25°C), dry place and away from light.

Quality Standards

Manufacturing: All products are made to GMP standards and have been quality-managed in accordance with the UK standard ISO 9001:2015. Third-party tested: To ensure the highest purity and maximum effectiveness, each new batch of products undergoes third-party testing by ISO 17025 accreditated Micro Quality Labs. You can view all testing certificates at www.vitality-pro.com/batch-testing.

Safety & Warnings

Do not exceed the recommended daily dose. Food supplements should not replace a varied and balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, under 18 or taking any medication, consult a doctor before use. Stop use if adverse reactions occur.

Interactions: Bisphosphonates are used to treat osteoporosis. Magnesium can interfere with the absorption of bisphosphonates if taken too closely together. It's generally recommended to take magnesium supplements at a different time of day than bisphosphonates to avoid this interaction. Some forms of antibiotics, especially quinolone antibiotics (like Ciprofloxacin) and tetracycline antibiotics, can have their absorption reduced by magnesium. To avoid this, take magnesium supplements at least 2 hours before or after the antibiotic. Magnesium has been shown to interfere with the absorption of thyroid medications including Levothyroxine, Liothyronine and Naturally Desiccated Thyroid (NDT) preparations. Aim to take magnesium supplements at least 2 hours away from any thyroid medication you may be taking.

If you are taking these medications or any other medication, please first speak with your doctor before adding Magnesium Glycinate to your supplement regime.

For further information regarding any other potential drug and supplement interactions with Magnesium Glycinate please see the ingredient profile on Drug Bank using the link below.* Allergy: This product does not contain any common allergens; however, it should not be used by anyone with a history of hypersensitivity to its ingredients or those taking medications that may interact with it.

Pregnancy: If pregnant, consult your health professional before using this product.

*Drug Bank is an independent website that lists potential interactions between the ingredients in Magnesium Glycinate and other medications and supplements. It may not, however, list all known possible interactions. If you are taking any medications or supplements you feel may interact negatively with Magnesium Glycinate please first speak with your doctor before using this product.
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Key Studies to Consider

While individual results may vary due to personal health conditions, genetics, and lifestyle choices, we guarantee that the supplements you receive are made with ingredients of the highest purity, similar to those used in scientific studies, to ensure maximum results.

Essential Nutrient

Magnesium is essential for over 300 biochemical reactions in the body. It plays key roles in energy production, muscle and nerve function, DNA synthesis, and maintaining normal heart rhythm. Magnesium also supports immune function, regulates blood pressure, and is vital for bone health and calcium metabolism.

Read more

Sleep

Oral magnesium supplementation for insomnia in older adults – Systematic Review & Meta-Analysis

Outcome: Reduction in sleep onset latency time by 17.36 minutes

Summary: This review found that oral magnesium supplementation may reduce the time it takes to fall asleep by about 17 minutes in older adults with insomnia.

Read more

Association of magnesium intake with sleep duration and sleep quality: findings from the CARDIA study – Longitudinal Study

Dosage: Dietary and supplementary intake of magnesium assessed over time

Outcome: Sleep quality and duration

Summary: Higher magnesium intake was linked to slightly better sleep quality and reduced likelihood of short sleep (<7 hours) among participants without depressive disorders. The study suggests that magnesium might play a role in improving sleep outcomes.

Read more

Energy

Red blood cell magnesium and chronic fatigue syndrome – Case-Control Study and Randomised Controlled Trial

Dosage: Intramuscular magnesium sulphate every week for 6 weeks

Outcome: Improvement in energy levels, emotional state, and pain

Summary: The study found that patients with chronic fatigue syndrome (CFS) have lower red cell magnesium levels. Treatment with magnesium improved symptoms such as energy, mood, and pain in CFS patients, with a significant difference compared to placebo.

Read more

 Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems – Randomised controlled trial

Dosage: 1 g/day magnesium L-threonate, , providing 75 mg elemental magnesium

Outcome: Daytime energy, alertness, productivity, and sleep quality

Summary: Magnesium L-threonate improved deep and REM sleep and led to higher daytime energy, mental alertness, and productivity compared with placebo, likely by supporting brain and mitochondrial energy metabolism.

Read more

Magnesium and Fibromyalgia: A Literature Review – Literature Review

Dosage: Oral magnesium typically 300–600 mg/day

Outcome: Fatigue, pain, function, and energy-related symptoms in fibromyalgia.

Summary: Some studies suggest magnesium may support cellular energy (ATP) production and reduce fatigue, but results are mixed and evidence is not definitive.

Read more

Bone Health

Magnesium and Osteoporosis: Current State of Knowledge and Future Research Directions – Review

Outcome: The relationship between magnesium levels and bone health, specifically osteoporosis

Summary: The study reviews evidence that both low and high levels of magnesium can negatively impact bone health, suggesting that maintaining magnesium homeostasis is essential for preventing osteoporosis. It highlights the importance of magnesium in bone formation and health, and suggests further research is needed to understand the optimal range of magnesium concentration for bone health.

Read more

An update on magnesium and bone health – Review

Outcome: Improvement in bone mineral density and reduced fracture risk

Summary: This review highlights the link between magnesium intake and bone health, showing lower magnesium levels are associated with osteoporosis and increased fracture risk. Supplementation with magnesium has been found beneficial for bone mineral density and reducing fractures.

Read more

Mood

 Magnesium and mood disorders: systematic review and meta-analysis lifespan – Meta-analysis

Dosage: 225–4000 mg/day magnesium supplementation

Outcome: Magnesium supplementation showed a decrease in depressive symptoms in non-controlled studies but no effect in controlled trials.

Summary: Magnesium supplementation may help reduce symptoms of depression.

Read more

 Effect of magnesium supplementation on depression status in depressed patients with magnesium deficiency: A randomized, double-blind, placebo-controlled trial – Randomised Controlled Trial

Dosage: 500 mg magnesium oxide daily for 8 weeks

Outcome: Improvement in magnesium levels and reduction in depression scores

Summary: Magnesium supplementation helped reduce depressive symptoms and improved magnesium levels in patients with magnesium deficiency.

Read more

Everything You Need To Know About Magnesium Glycinate

A form of magnesium that combines magnesium with the amino acid glycine, Magnesium Glycinate is known for its ability to be easily absorbed by the body. Known to support over 300 bodily reactions, ample levels of magnesium are associated with restorative sleep, improved cognition and brain health, a healthy blood sugar response, and high bone density.

Magnesium glycinate’s high rate of absorption is due to its binding with glycine, which enhances magnesium’s solubility and intestinal absorption while minimising its laxative effect.

Magnesium acts as an essential nutrient by serving as a cofactor for over 300 enzymatic reactions necessary for essential bodily functions. Cofactors assist enzyme reactions by stabilising interactions or participating directly in the chemical transformation. To name a few:

In the mitochondria, magnesium acts as a cofactor for enzymes to convert food (carbohydrates, fats, and proteins) into cellular energy known as ATP. Once created, Magnesium also stabilises the structure by binding to ATP, making it available for various cellular processes.

Magnesium also assists with GABA by regulating its activity and promoting its binding to GABA receptors. Magnesium acts as a natural calcium blocker, preventing excessive calcium from entering neurons, which can lead to overstimulation. This allows GABA, the primary inhibitory neurotransmitter, to function more effectively in calming the nervous system.

Magnesium is essential for brain function by influencing the growth and density of new brain connections.

Optimal magnesium levels help manage stress and promote relaxation, as low magnesium disrupts GABA regulation, affecting sleep and increasing stress. Magnesium is also important for muscle function and relaxation, helping prevent cramps and tension, especially in active individuals. Additionally, it supports efficient energy production, as low magnesium can impair cellular energy production, leading to fatigue, reduced endurance, and compromised cellular function.

As we age, magnesium levels decline due to diet, reduced absorption, and increased excretion. This decline impacts energy levels, muscle health, and nervous system function. By supporting cellular energy production, muscle recovery, and relaxation, magnesium glycinate helps maintain physical and mental ability, which is essential for healthy ageing and longevity.

Consider the following statements. If you find one or more relatable, Magnesium Glycinate might be the support you’ve been searching for:

  • I’m looking to supplement with essential nutrients, but I want to avoid any gastrointestinal side effects commonly associated with magnesium supplements.
  • I’ve noticed my energy dips throughout the day, and I’ve read magnesium plays a critical role in energy production. 
  • Despite getting adequate rest, I often wake up feeling unrefreshed. I’m looking for ways to improve my sleep quality.
  • I experience muscle cramps or twitches, which I’ve heard can be related to magnesium deficiency. 
  • Stress is a constant presence in my life, and I’m seeking natural methods to enhance my resilience and stress response.
  • I’ve been advised to increase my magnesium intake, but I am looking for a form that is easy for my body to absorb and utilise effectively.
Made to GMP Standards
ISO 9001 Certified UK Company
Independent Testing for Purity

Transparent Testing

Every batch is independently tested for identity, potency, contaminants, heavy metals, and microbial markers.

View all product tests

Magnesium Glycinate test results

Date • Batch # • Results

Purity results include Heavy Metals

Current Batch:

March 2026

•

2501437

Previous results:

May 2025

•

BN2401069 – 2500222


December 2024

•

BN2400807


June 2023

•

BN050123

Frequently Asked Questions

‘Fully reacted’ means the magnesium in the supplement has completely bonded with glycine, providing a consistent, reliable dose of magnesium. Some products ‘buffer’ magnesium with cheaper forms like magnesium oxide to increase magnesium content without improving quality. We ensure only fully reacted magnesium glycinate in your capsules for purity and better results.

Yes, magnesium glycinate and magnesium bisglycinate refer to the same compound, just with different names. Both contain one magnesium ion bound to two glycine molecules, with identical molecular structures (C4H8MgN2O4). The term ‘magnesium glycinate’ is a common name, while ‘magnesium bisglycinate’ is the precise chemical term. The belief that magnesium glycinate contains only one glycine molecule is incorrect; this form doesn’t exist. You can verify this on PubChem: Glycinate and Bisglycinate.

When calcium enters a cell, it activates numerous processes within that cell, including neurochemical release and muscle activation, both of which can disrupt sleep. Magnesium works to limit how much calcium can enter a cell and, in doing so, slows down any excess activity in the body, leading to a calmer, more relaxed state. Having a high body temperature at night can inhibit sleep. Glycine works alongside magnesium to help lower the core body temperature by increasing blood flow to the skin, allowing excess heat to leave the body.

Collectively, these mechanisms of Magnesium Glycinate may help to calm and cool the body, preparing it for a restful night of sleep.

People who take prescription medications should consult with their doctor before taking magnesium supplements. Magnesium can interfere with how the body processes certain medications. Women who are pregnant or breastfeeding should also consult with their doctor before supplementing with magnesium.

Please see the table below to determine your ideal magnesium dosage.

Elemental Levels of Magnesium Required Daily

  • Infants (0-6 months): NRV (EU) 80 mg/day; RDA (US) 30 mg/day
  • Infants (7-12 months): NRV (EU) 80 mg/day; RDA (US) 75 mg/day
  • Children (1-3 years): NRV (EU) 170 mg/day; RDA (US) 80 mg/day
  • Children (4-8 years): NRV (EU) 230 mg/day; RDA (US) 130 mg/day
  • Children (9-13 years): NRV (EU) 300 mg/day; RDA (US) 240 mg/day
  • Adolescents (14-18 years): NRV (EU) 375 mg/day; RDA (US) 410 mg/day (boys), 360 mg/day (girls)
  • Adults (19-50 years): NRV (EU) 375 mg/day; RDA (US) 400-420 mg/day (men), 310-320 mg/day (women)
  • Pregnant women: NRV (EU) 375 mg/day; RDA (US) 350-360 mg/day
  • Breastfeeding women: NRV (EU) 375 mg/day; RDA (US) 310-320 mg/day

Certainty of purity.

We are committed to the following quality controls to ensure consistency, reliability, and transparency in every product. Our goal is to raise industry standards and give you clear reasons to trust what you’re taking.
  • GMP Certified Facility

    All products are made to cGMP (current Good Manufacturing Practice) standards, the global benchmark for supplement quality. GMP standards ensure strict control over how our supplements are produced, covering everything from cleanliness to documentation and quality control. Every step is monitored to guarantee consistency and safety in every batch, so you receive the same high-quality product every time.

  • Third-Party Tested

    At the foundation of what we offer is certainty of product quality through consistent third-party testing, specifically for purity.

  • ISO Quality Managed

    ISO 9001:2015 standards are an internationally recognised framework for effective quality management. This accreditation means we follow a structured system of continuous improvement, always refining our processes to enhance product consistency and customer satisfaction. ISO accreditation ensures that every aspect of our operations, from production to customer service, is optimised. This means better oversight, reduced risk of errors, and a clear focus on delivering consistent results.

  • Transparency

    We believe you should have full clarity about what you’re putting in your body and the steps we take to ensure the quality of our supplements. That’s why we are transparent and open about every part of our process.

  • GMP Certified Facility

    Droplets

    Our supplements are manufactured in the UK, at facilities in Oxford and the North of England, following Good Manufacturing Practice (GMP) standards.

    GMP sets requirements for hygiene, production, quality control, and traceability, helping ensure supplements are consistently manufactured under controlled conditions.

    Our manufacturing partners hold independently issued GMP certificates. Rather than simply asking you to take our word for it, we've made these available below for you to review.

    Our UK Manufacturers' GMP Certificates

    Issued by Eurofins and SGS.

    Manufacturer 1

    Manufacturer 2

    Manufacturer names have been redacted for commercial confidentiality.

    Third-Party Tested

    Date • Batch # • Results

    Purity results include Heavy Metals

    Current Batch:

    March 2026

    •

    2501437

    Previous results:

    May 2025

    •

    BN2401069 – 2500222


    December 2024

    •

    BN2400807


    June 2023

    •

    BN050123

    ISO Quality Managed

    Vitality Pro is independently certified to ISO 9001:2015, an internationally recognised standard for quality management systems.

    Maintaining this certification requires ongoing monitoring, documented checks, regular reporting and independent audits. These processes help identify areas for improvement, ensure issues are addressed, and continually strengthen the systems and controls behind our supplements. It's a commitment to quality that must be demonstrated and maintained, not simply claimed.

    We believe quality should be independently verified, not simply claimed. You can view our ISO 9001:2015 certificate below.

    Our ISO 9001:2015 Certificate

    View Our Certificate

    Transparency

    We believe you should have full clarity about what you’re putting in your body and the steps we take to ensure the quality of our supplements. That’s why we are transparent and open about every part of our process.

    Transparency means we share all the details that matter—how our products are made, tested, and verified. From publishing third-party test results to offering clear ingredient labels, we provide you with the information you need to make informed choices about your supplements. Nothing is hidden, and every product comes with full accountability.

    In a world where many supplement companies keep you in the dark, we believe you deserve complete honesty. Being transparent allows you to trust that you’re getting exactly what you expect—pure, tested supplements without hidden risks. It’s about empowering you to make confident decisions and focus on your health journey without second-guessing the products you take.

    Trusted By Professionals & Industry Experts

  • Dr. Ahmet Ozyigit

    Dr. Ahmet Ozyigit, MD, MSc, PgDip

    Head of Clinical Research at Elite Hospital

    "As a physician, purity of a product is my main concern when it comes to recommending supplements for my patients. The line of products offered by vitalityPRO is not only in line with the latest research in anti-ageing, but is also third-party tested and purity checked, which is of utmost importance for receiving maximal benefits from treatment."

  • Simon Jones

    Simon Jones, MBChB, MRCP, MSc

    Lead Academy Doctor at a Premier League Football Club

    "Vitality Pro is a fantastic company, clearly striving to achieve the highest standard and reliability of supplements on the market. Their range really is at the cutting edge of longevity supplements, and the independent third-party testing is incredibly reassuring in terms of quality."

  • Casey Vincent

    Casey Vincent, Two-Time Olympian

    Australian Olympics Sprinter 2000-2004

    “I have done my research on vitalityPRO products and without a doubt have found their supplements to be far superior to the competition”

  • Tony Pemberton

    Tony Pemberton, FdENG

    Certified Epigenetic Coach

    "I'm very discerning of either overpriced supplements or poor quality ingredients, but I have to say Vitality PRO products are superb while still being great value. I use them myself for improving ageing biomarkers, and I am happy to recommend them to both my clients and viewership."

  • Kim Forteza

    Kim Forteza, MSc, PGCert, TPU, CNS

    Elite Athlete Coach

    "I have found Vitality Pro to have a great commitment to the client. They generate trust due to their service, presentation, formulation, technical explanations, and third-party analysis of each of their products. It is a brand that I always recommend when looking for excellence in a product, both for my athletes and for all people looking for supplementation with guarantees."

  • Emel Gunay

    Emel Gunay, DipCNM, mBANT, mIFM

    Nutritional Therapist and Research Manager at OMNOS

    "V​itality-PRO offers excellent customer support, knowledgeable staff, and great value for money on high-quality supplements. ​​The products are of outstanding quality, and I appreciate their dedication to quality and transparency, which ensures safety and compliance for my clients. I​ can highly recommend ​them."

  • Dr. Zain Khan

    Dr. Zain Khan, MBBS

    British Medical Association Executive Council Member

    “A professional supplement company who aim to be transparent, innovative and trustworthy. They invest time and money into conducting independent lab tests to verify the purity and quality of their products, ensuring that you receive precisely what you pay for.”

  • Jonny Hirtenstein

    Jonny Hirtenstein, MChiro, DC, ACN

    Founder and Lead Chiropractor at Foundation For Life

    ”As a clinician I appreciate Vitality Pro's passion for producing products that are designed to deliver great results and knowing that they independently test all the batches of the products is very reassuring. Ultimately I know that they care about everything they do, and are striving to produce some of the most cutting edge products on the market.”

  • Andy Smith

    Andy Smith, PEMF Expert

    CEO of NewMed & Founder of CELLER8

    "Vitality Pro offers an impressive range of high-quality supplements, and their Magnesium Glycinate is my personal favourite. I love stacking it with my daily PEMF sessions as they complement each other perfectly for enhanced wellness. I trust Vitality Pro for reliable vitamins and supplements, and I’m always happy to recommend them to my customers!"

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    Customs Fees: There may be customs to pay depending on your country’s local requirements. We will do what we can to avoid or minimise these as much as possible. If import charges are required, you will receive an email or text with customs clearance and payment instructions.

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    *Delivery to remote areas may take longer.

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    We want you to feel confident trying our products. If you're not satisfied for any reason, you can return your product within 60 days of receiving it for a full refund.

    This includes if you've changed your mind, haven't noticed the difference you hoped for, experienced side effects, or simply decided the product isn't right for you.

    How to claim the guarantee

    • Email returns@vitality-pro.com with your order number, which you'll find in your order confirmation email.
    • We'll send you the address to return your product to. Please include a note with your order number inside the parcel so we can identify your return.
    • Once your return is received, we'll process your refund within 7 days.

    Return shipping costs: You'll need to arrange and pay for return shipping unless the product arrived faulty or damaged. All returns are sent to our UK return address. If you're ordering from outside the UK, please keep in mind that international return shipping can be expensive.

    Multiple bottles or larger quantities: If you buy multiple bottles or a larger quantity of the same product in a single order, the guarantee covers the use of one bottle, or the smallest individual size supplied. Any additional unopened units must be returned to receive a refund.

    For example, if you order 180 capsules and receive 2 × 90-capsule bottles, you can open and use one 90-capsule bottle. The second bottle must be returned.

    The 60-Day Satisfaction Guarantee does not apply to our 100g NMN or 100g Resveratrol products, as we offer smaller 20g and 30g options to give you the opportunity to try the product before committing to a larger supply.

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