Your cart is empty Not sure what to choose?
Check promotions

Magnum G-Spring

Magnum Nutraceuticals 48caps

£18.72Tax includedLowest price in 30 days: £18.72

Kindly check your inbox to confirm the subscription.

Free shipping: UK over £89, EU over £150
Secure Card Payments
visa master gpay apay
Pay later with Klarna - interest free
14-Day Returns

Magnum G-Spring – Sleep & Growth Enhancer

Magnum G-Spring is a scientifically formulated nighttime recovery supplement designed to enhance sleep quality, support muscle growth, and optimize hormonal balance. By combining key amino acids, adaptogens, and natural sleep enhancers, this formula ensures deep, restorative sleep, allowing your body to recover faster and build lean muscle effectively.

Key Benefits of Magnum G-Spring

  • Promotes Deep, Restorative Sleep – Helps you fall asleep faster and improve sleep cycles.
  • Supports Natural Growth Hormone Production—Ingredients like L-arginine, Mucuna Pruriens, and Bacopa Monnieri stimulate growth hormone release, aiding in muscle repair and fat metabolism.
  • Enhances Recovery & Muscle Growth – Provides essential amino acids and adaptogens to support muscle regeneration and cognitive health.
  • Reduces Stress & Anxiety – Includes L-Theanine and Bacopa Monnieri to calm the nervous system and improve mood.
  • Optimizes Hormonal Balance – Melatonin and Black Pepper Extract work together to regulate circadian rhythm and nutrient absorption.

Why Choose Magnum G-Spring?

Magnum G-Spring is the ultimate nighttime supplement for optimizing sleep, supporting muscle growth, and enhancing recovery. With a scientifically proven blend of amino acids, adaptogens, and sleep regulators, it ensures peak performance and optimal health every morning.

Ingredients & Their Functions



  • Vitamin D3 (12.5 mcg / 500 IU per serving) – Supports bone health, immune function, and hormonal balance.

  • L-Arginine Pyroglutamate (500 mg per serving) – A key amino acid that boosts nitric oxide production, enhancing blood flow and growth hormone release.

  • L-Lysine HCl (500 mg per serving) – An essential amino acid that supports muscle repair and immune function.

  • Mucuna Pruriens 15:1 Extract (150 mg per serving) – Naturally boosts dopamine levels, supporting mood, motivation, and growth hormone production.

  • Bacopa Monnieri 30:1 Extract (110 mg per serving) – A powerful nootropic and adaptogen that enhances memory, cognitive function, and stress resilience.

  • Puerarin (50 mg per serving) – Extracted from Pueraria Montana, it aids neuroprotection and stress relief.

  • L-Theanine (50 mg per serving) – A natural calming agent that reduces anxiety and promotes relaxation without drowsiness.

  • Deanol (18.5 mg per serving) – Also known as DMAE, it enhances cognitive function, memory, and focus.

  • Melatonin (10 mg per serving) – Regulates sleep-wake cycles, helping to improve sleep quality and duration.

  • Black Pepper Extract 25:1 (2.5 mg per serving)—Standardized to 95% piperine, this extract enhances nutrient absorption and bioavailability.


How to Use Magnum G-Spring?


Recommended Dosage:

  • Take two capsules daily before bedtime for optimal sleep and recovery.

  • Avoid taking during the day as it may cause drowsiness.


For Best Results:

  • Use consistently to enhance sleep patterns and growth hormone levels.

  • Combine with a balanced diet and proper training for maximum benefits.


Disclaimer: This product is a dietary supplement and should not be used as a substitute for a varied diet. Do not exceed the recommended daily dose. Keep out of reach of children. If you are pregnant, nursing, taking medication, or have a medical condition, consult your healthcare professional before use. This product contains Aphrodyne and may cause side effects such as increased heart rate, anxiety, or elevated blood pressure. Use with caution and discontinue use if any adverse reactions occur. Store in a cool, dry place away from direct sunlight. The Food and Drug Administration or any other governmental authority has not evaluated the statements made here. This product is not intended to diagnose, treat, cure, or prevent any disease.

No product reviews yet — add the first one!

Need help?

We offer a variety of sports supplements, including muscle-building products, pre-workout formulas, post-exercise recovery items, vitamins and minerals, amino acids, and more.

All our supplements are sourced from reputable manufacturers and undergo rigorous quality control to ensure safety and efficacy. However, we recommend consulting a healthcare professional before starting any new supplement regimen.

Choosing the right supplement depends on your fitness goals, dietary needs, and any existing health conditions. Our product descriptions provide detailed information to help you make an informed decision. Contact our customer support team for personalised advice if you need more clarification.

Placing an order is simple. Please browse our products, add the items you’d like to your cart, and proceed to checkout. You can pay using credit or debit cards, Klarna, or LayBuy.

We offer both domestic and international shipping. Orders are typically processed within 1-2 business days; however, shipping times may vary by location. For detailed information, please refer to our Shipping Policy page.

Once your order is shipped, you will receive a confirmation email with a tracking number. You can use this number to track your order on the carrier’s website.

We offer a carrier ‘s-day return policy for unopened and unused products. If you are unsatisfied with your purchase, please contact our customer support team to initiate a return. For more details, please visit our Return Policy page.

Yes, we regularly offer discounts and promotions on various products. Sign up for our newsletter or follow us on social media to stay updated on the latest deals.

Absolutely! Our team of experts is here to help. Contact us via our website, and we will provide personalised recommendations tailored to your fitness goals and dietary needs.

We offer a selection of vegan—and vegetarian-friendly supplements. For specific information, please check the product descriptions or use the filter options on our website to find suitable products.

Please email our customer support team at info@crossthelimits.co.uk or speak directly to our AI bot assistant. We aim to respond to all inquiries within 24 hours.

We offer wholesale options for gyms, fitness centres, and retailers. For more information, please contact our wholesale department at wholesale@crossthelimits.co.uk.

Your order still needs to be completed” Our payment”gateway most likely did not accept your card. In such cases, the bank often holds the funds as “pending, ” which should be returned to your account within three business days.

If your card was not accepted when placing an order, please try using a different card or select an alternative payment gateway from the list on the payment page after placing your order.

We dispatch parcels to the EU every Friday. Your order must be placed by 10 AM on Friday to be included in that week’s shipment. If you order earlier in the week (e.g. on Sunday), your parcel will stay in the UK until Thursday, when it is transferred to our EU fulfilment centre. Once it arrives (usually within 5-7 days), we will send it via DPD, and you will receive your tracking details via email. Please note that the journey from the UK to the EU warehouse does not include tracking—tracking is only provided once your parcel is dispatched from the EU warehouse.

First, you’ll need to register for an account with our store to earn your points. Our points system lets you earn points on every purchase. For every £1 spent on our website, you earn 1 point. For every 100 points, you get £1 in store credit.

For example, if you order £100, you will earn 100 points (equivalent to £1), which you can redeem on your next order.

Yes! You can pay for your supplements using Bitcoin (BTC), Ethereum (ETH), USDT, and many other cryptocurrencies via our secure payment partner, NOWPayments.

To ensure reliable delivery and avoid customs issues, all UK orders are shipped via a consolidated weekly route to our EU hub.

This method guarantees:

  • No customs delays
  • No VAT or duty on delivery
  • One fixed shipping fee (£15)

Orders placed after Friday may be included in the following dispatch window.

Delivery time can be up to 2–2.5 weeks, depending on order timing.

All parcels are delivered via DPD with EU tracking provided after dispatch.

Magnum Nutraceuticals

Magnum Nutraceuticals

Magnum Nutraceuticals is a Canadian supplement brand known for its strict adherence to quality and regulatory standards.