Iron Labs ZM6 Xtreme

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Iron Labs ZM6 Xtreme is a ZMA stacker, normally taken by athletes, gymnasts, and bodybuilders for energy, improved sleep, and to support body composition and muscle growth. They boast that this formulation contains a high level of zinc, magnesium, and vitamin B6, to boost testosterone levels.

Iron Labs ZM6 Xtreme claims to contain a higher dose of good quality ingredients to help support energy, sleep and physical performance. We delve into the product ingredients to see if it will tackle insomnia, build lean muscle, and boost your health.

Iron Labs ZM6 Xtreme Pros

  • Contains large doses of magnesium, zinc, and B6, and is comparable to other ZMAs

Iron Labs ZM6 Xtreme Cons

  • Dosed low in some areas
  • Little evidence to support physical performance and body composition benefits
  • Some ingredients are not suitable for long-term use and even a 90-day cycle may cause health problems
Watchdog Rejected

Iron Labs ZM6 Xtreme

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Iron Labs ZM6 Xtreme Overview

What You Need To Know About Iron Labs ZM6 Xtreme

Manufactured in the UK by Iron Labs since 2009, ZM6 Xtreme is a Zinc, Magnesium, and Vitamin B6 stacker, and is aimed at bodybuilders and athletes.

Designed to help you sleep more deeply and with fewer interruptions, it contains over 500mg of magnesium. It also contains Zinc which boosts testosterone and promotes energy, as well as B6 for normal hormone function and general health.

What Are The Side Effects Of Iron Labs ZM6 Xtreme?

ZM6 Xtreme has been reported to cause stomach upset and diarrhea in some people and a few reviewers also said it caused them to feel lethargic during the day. It is recommended you take this product on a night before bed as magnesium has a sedative effect.

How Much Does Iron Labs ZM6 Xtreme Cost?

You can buy Iron Labs ZM6 Xtreme on Amazon for £15.78 for one bottle containing 180 vegetarian capsules. One bottle should last two to three months approximately.

If you subscribe to an auto-ship contract, they offer a discount, but this may lock you into an agreement that is not always easy to get out of.

Our Verdict On Iron Labs ZM6 Xtreme

As you would expect from a ZMA stacker, it contains a good amount of magnesium, zinc, and vitamin B6.

Magnesium is known to support healthy sleep, so if you are struggling with insomnia this may help. But, beware of consuming too much elsewhere in your diet or other supplements otherwise you may find you spend your days walking around like a zombie.

Taking Vitamin B6 at this dose for more than three weeks could cause health problems.

Overall, we do not recommend Iron Labs ZM6 Xtreme to our readers.

Iron Labs ZM6 Xtreme Key Features

Iron Labs Nutrition have been making sports nutrition products since 2009, but underwent a major brand makeover in 2013. Since then, they have added more products to their range.

Iron Labs ZM6 Xtreme Facts

  • One bottle contains 120 capsules
  • Sold via BuySupsUK on Amazon
  • Suitable for vegetarians

ZM6 Xtreme is a zinc, magnesium, and B6 stacker that they promise will help support healthy sleep, giving you more energy for your workout. They also say it will boost testosterone and your health using all-natural ingredients.

How to Take Iron Labs ZM6 Xtreme

  • Take 2 capsules daily with a glass of water, 30 minutes before going to bed for the best results. Avoid taking this product with dairy or other calcium-containing foods or supplements.

Iron Labs ZM6 Xtreme Concerns:

  • You cannot buy directly from Iron Labs
  • Some ingredients may cause side effects and others are dosed quite low
  • Vitamin B6 is not suitable for long-term use

What Does Iron Labs ZM6 Xtreme Claim To Do?

Containing 120 capsules with high-quality Zinc, Magnesium, and B6, it promises to boost testosterone, improve your sleep, and increase physical performance. It is also super loaded with other vitamins and minerals to support a healthy body and mind.

Does Iron Labs ZM6 Xtreme Work?

This product may have different results for people based on their diet, lifestyle, health, and age, as benefits may be variable if you are not deficient in these ingredients. Consuming such a large amount of magnesium may end up making you feel lethargic during the day, which is the opposite of what most users will be trying to achieve. The jury is out on whether this will have any benefit on body composition or physical performance. It will only boost testosterone if the user is deficient in zinc.

What Are The Ingredients of Iron Labs ZM6 Xtreme?

  • Magnesium (550mg): A mineral that is often deficient in the western diet and can wreak havoc on sleep, digestion, and insulin sensitivity if not corrected for a long time. Bananas, green veg, nuts, chickpeas, and avocados are all really good sources of magnesium. It may also help improve memory and concentration by ensuring you are sleeping well and keeping stress levels low. There is no evidence currently that it supports exercise performance. It can have a mild sedative effect if taken in large doses, so watch out for daytime lethargy. Doses of around 200-400mg daily are optimal but more can be taken to tackle an extreme deficiency. The type of magnesium used is important as some can cause side effects such as bloating, cramps, gas, and diarrhea due to being less easily absorbed. Source
  • Zinc (30mg): An essential micronutrient found in meat, eggs and legumes and is responsible for hormone regulation, mood improvements and is good for the intestines. It is anti-oxidant meaning it is a general health supplement. It is thought to increase testosterone levels but only where the user is deficient. It is often sweated out by athletes and if not replaced can cause a variety of health problems. A dose of 25-45mg is thought to be optimal to tackle deficiency. It does not go well with dietary iron, so it may cause anemia and related side effects. Source
  • Vitamin B6 (25mg): Not thought to be generally deficient in a healthy population, so it is not considered useful in supplementation. It is used for a multitude of health conditions, from high blood pressure to PMS, but with little evidence to support it. It might cause nausea, vomiting, stomach pain, loss of appetite, headache, tingling, sleepiness, and long-term misuse may cause brain and nerve damage. It is thought that taking 25mg for three weeks only, and then supplementing with 3mg a day, would address any deficiency. Taking it long-term in high doses is not recommended. Source
  • Riboflavin (5mg): Also known as Vitamin B2 and is not thought to be deficient in a healthy population. There do not seem to be many benefits to supplementation, and a low dose of 2-3mg is probably enough for general health. There may be some benefit to cardiovascular health in certain individuals, but they are in the genetic minority. It can cause urine to turn an orange colour and may also cause diarrhea in some users. Source
  • Niacin (5mg): Thought that Vitamin B3 is a good supplement for general growth, cognition, and longevity, but there is little evidence to support its benefit on the cardiovascular system because it also raises insulin sensitivity, which cancels out any benefits. It may help reduce cholesterol in some users. It can cause the skin to appear flushed and although harmless, is an unpleasant side effect. It may also cause burning, tingling, itching, and redness of the face, arms, and chest, as well as headache and occasionally stomach upset, intestinal gas, dizziness, and pain in the mouth. Source
  • Biotin (500mcg): Main uses seem to be for beauty, such as hair, skin, and nail improvements, and there may be some evidence to support it. Otherwise, there does not seem to be much benefit to supplementing this B vitamin. There may be some benefit to reducing blood sugar levels, but the studies are not able to reliably evidence this currently. 30mcg is thought to be more than enough in a multi-vitamin so this is dosed quite high. Source
  • Vitamin B12 (24mcg): Sometimes thought to improve sleep disorders or help with memory and cognition, but evidence shows it is not likely to hold benefits in this area. It is an essential B vitamin for general health but is most often enough in a balanced diet. 25 – 100mcg a day is thought to help the over 50’s meets their recommended daily allowance of vitamin B12. Otherwise, around 2mcg a day is enough. Mild itching has occurred in some users from taking it. Source
  • Vitamin D3 (5mcg): Found in fish, eggs, and dairy products, but most vitamin D needs can be met from daily exposure to the sun. However, many people in the west are becoming deficient in vitamin D due to our office jobs and sedentary lifestyle. Benefits may include improved cognition, bone health, heart health and immunity. 10,000 IU is thought to be the safe upper limit with 10mcg daily being a recommended allowance. Side effects of taking too much vitamin D include weakness, fatigue, sleepiness, headache, loss of appetite, dry mouth, metallic taste, nausea, and vomiting. Taking too much vitamin D may cause excessively high levels of calcium in the blood, which may be why they say not to take it with dairy product. Source

Does Iron Labs ZM6 Xtreme Have Any Side Effects?

There may be some stomach upset and possible lethargy during the day. Other side effects may include:

  • Sleepiness
  • Lethargy
  • Burning
  • Tingling
  • Itching
  • Redness of the face, arms, and chest
  • Stomach upset
  • Intestinal gas
  • Dizziness
  • Pain in the mouth
  • Weakness
  • Fatigue
  • Sleepiness
  • Headache
  • Loss of appetite
  • Dry mouth
  • Metallic taste
  • Nausea
  • Vomiting

Caution:

Do not exceed recommended dosage. Food supplements are not intended to replace a healthy lifestyle and balanced diet. This product is not suitable for pregnant or lactating women. It is not suitable for those with existing medical conditions, on medication or with symptoms of illness. Using at the same time as other food supplements may lead to overdose. Consult a qualified professional if you are uncertain. Vitamin B6 can cause tingling and numbness. Contact a doctor if you experience any adverse effects. Not intended for people under 18. If seal is broken do not use.

Are There Any Customer Reviews For Iron Labs ZM6 Xtreme?

This supplement has a fair amount of positive reviews, with many customers saying they bought it mainly for the promised sleep benefits, and found it did give them a more restful night and deeper sleep. In turn, this gave them more energy during the day and in the gym.

One reviewer commented that the formulation had changed to using cheaper forms of magnesium which was disappointing as they thought it was working before this.

Quite a few reviewers said they did not experience any benefits from taking ZM6 Xtreme, neither sleep or body composition was improved.

One reviewer said that they received the bottle unsealed, and another said the pills looked out of date and smelled off.

A couple of users reported stomach aches and other gastrointestinal issues as a result of taking this supplement.

Does Iron Labs ZM6 Xtreme Offer a Money-Back Guarantee?

You can only return products if they are unused and unopened, returned within 30 days. They must be in the same condition as they were received, and the buyer pays postage. As they may be classed as a perishable/consumable goods, it may be subject to more stringent returns checks.

If you have subscribed to be shipped product on an automatic delivery schedule, they say you are able to cancel, skip a delivery, or amend your booking at any time. But, be aware that you need to provide notice to ensure you are not sent and charged for your next delivery.

Where Can I Buy Iron Labs ZM6 Xtreme?

Amazon sells Iron Labs ZM6 Xtreme where it retails for £15.78.

You can subscribe to an auto-ship contract to save 5% – 15%, or buy a bundle of three products for £43.76.

You cannot purchase ZM6 Xtreme or any other Iron Labs products from the merchant’s website.

Summary: Iron Labs ZM6 Xtreme


Iron Labs ZM6 Xtreme

1.9 out of 5
Iron Labs ZM6 Xtreme Rating

The Muscle Watchdog does not recommend Iron Labs ZM6 Xtreme.

  • Effectiveness
  • Safety
  • Price / Guarantee

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Disclaimer: Our reviews and investigations are based on extensive research from the information publicly available to us and consumers at the time of first publishing the post. Information is based on our personal opinion and whilst we endeavour to ensure information is up-to-date, manufacturers do from time to time change their products and future research may disagree with our findings. If you feel any of the information is inaccurate, please contact us and we will review the information provided.

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