Magnesium is a critical supplement aid for for your gains and overall health
Magnesium is widely known as a very important mineral in hundreds of enzyme systems in the body, and most unfortunately do not absorb enough daily. Humans do not produce magnesium on their own, so they have to rely on diet and magnesium supplements to get enough of it in. There are plenty of magnesium supplements on the market to choose from, but how do we identify the best magnesium supplements to support your health and muscle building goals?
In this post, our team of experts here at Generation Iron test and hand-pick a list of the best magnesium supplements for you to choose from, that will help support your muscle building and recovery goals.
Best Magnesium Supplements of 2025
- Best Magnesium Supplement: Transparent Labs Mag AM + PM
- Best Magnesium Supplement For Bodybuilding: Nutricost Magnesium
- Best Multivitamin Magnesium Supplement: Transparent Labs Wellness Series
- Best Magnesium Supplement For Sleep: Performance Lab Sleep
- Best Calcium Magnesium Supplement: Vitalite NOW! Calcium + Magnesium
- Most Transparent Magnesium Supplement: BULK Supplements Magnesium Glycinate
- Best Drink/Powder Magnesium Supplement: BULK Supplements Magnesium Glycinate
Best Magnesium Supplement Overall
The best magnesium supplement overall will be able to help with sleep, inflammation, and even cardiovascular health.
Transparent Labs Mag AM + PM
Transparent Labs Mag AM + PM is a comprehensive AM + PM magnesium supplement combination featuring four innovative, scientifically validated forms of bioavailable magnesium, including ATA Mg®, Magtein®, Sucrosomial® Magnesium, and Magnesium Bisglycinate.
Transparent Labs Mag AM + PM is a premium magnesium supplement featuring four highly bioavailable forms: ATA Mg®, Magtein®, Sucrosomial® Magnesium, and Magnesium Bisglycinate. These forms are gentle on the stomach and more effectively absorbed than common alternatives.
Magnesium supports over 300 vital processes in the body, yet up to 40% of Americans don’t get enough. Mag AM + PM is designed for health-conscious individuals and athletes to help fill that gap and support brain health, muscle function, sleep, and recovery.
Get your daily magnesium needs—clean, effective, and easy on digestion.
| Servings | 30 |
| Serving Size | 4 capsules |
| Amount of Magnesium per Serving | 2,930 mg |
Pros
-
4 advanced forms of magnesium for superior absorption
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AM + PM dosing for round-the-clock support
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106% of RDA in one daily serving
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No fillers, third-party tested for purity and potency
Cons
- Could be more servings
Price: $89.99 for 30 servings
Best Magnesium Supplement for Bodybuilding
Bodybuilders absolutely should be taking a magnesium supplement for a variety of reasons. It helps with sleep, inflammation, and recovery as a whole, which is where you truly grow and make your progress.
Nutricost Magnesium
A good magnesium supplement dedicated to giving you the best recovery possible in order to comeback bigger and stronger to push through any workout.
Nutricost has released a supplement that is perfectly crafted for enhancing recovery, and that is Nutricost Magnesium+ Extra Strength. It is packed with the ingredients you need to further your recovery, and take your gains to the next level, making it the best magnesium for bodybuilding.
With 420 mg of magnesium per serving which is just two capsules, you are getting a great aount of the supplement. This is very beneficial, as it gives a good amount of one of the best supplements for recovery, which is something many other products do not do.
Overall, it contains a good magnesium blend, which consists of 2 types of magnesium: glycinate and oxide. The overload of magnesium is also beneficial for people who are deficient in the nutrient, which is far more than you would think.
| Servings | 120 |
| Serving Size | 2 capsule |
| Amount of Magnesium per Serving | 420 mg |
Pros
- Good sleep
- Good overnight recovery
Cons
- Low amount of magnesium
Price: $17.95 for 120 servings
Check out our full Nutricost Magnesium Review.
Best Multivitamin Magnesium Supplement
Getting your magnesium in a multivitamin makes it ten times easier. Rather than taking the multivitamins and the magnesium supplements separately, which can just be a nuisance taking multiple pills, you can get them together.
Transparent Labs WellnessSeries Multivitamin
Transparent Labs WellnessSeries Multivitamin is an ultra-potent supplement for those looking to optimize their health. With 22 active ingredients, this will pump you with vital nutrients with easy absorption.
Transparent Labs WellnessSeries Multivitamin is an ultra-potent supplement with an advanced formula that ensures your body gets all of the essential micronutrients, as well as magnesium. Alongside the standard ingredients of a multivitamin, there are 300 mg of magnesium per serving, which is a great amount for being grouped in with a multivitamin. Created from bioavailable forms of key vitamins and minerals, it also ensures easy absorption of these key nutrients, and is iron-free for ease on the stomach.
| Servings | 30 |
| Serving Size | 2 capsule |
| Amount of Magnesium per Serving | 300 mg |
Pros
- All ingredients of a multivitamin
- Good amount of magnesium
- Good for overall health
Cons
- May be less magnesium than you want
- Premium priced compared to other options
Price: $29.99 for 30 servings
Check out our full Transparent Labs WellnessSeries Multivitamin review!
Best Magnesium for Sleep
Magnesium is said to aid in your sleep which is essential for recovery, after sleep is where you tend to generate the most testosterone and human growth hormone. That being said, what is the best option for a magnesium supplement that will help you sleep?
Performance Lab Sleep
Performance Lab Sleep is great for optimizing overnight repair and recovery and works to disrupt any muscle twitches and stabilize your circadian rhythm. Working with top ingredients , this allows for a stress-free sleep cycle and optimal sleep support.
Performance Lab® Sleep is a natural, cherry-powered sleep booster designed to give you the best possible night’s sleep, so how could we not include it as the best magnesium supplement to aid in sleep? Not to mention, this supplement works to optimize overnight recovery and repair without compromising your next-morning performance and vitality. So instead of having you feeling groggy in the mornings like some sleep supplements, Performance Lab® Sleep will leave you feeling more refreshed and energized than ever.
| Servings | 30 |
| Serving Size | 2 capsule |
| Amount of Magnesium per Serving | 100 mg |
Pros
- Good sleep
- Good overnight recovery
Cons
- Low amount of magnesium
Price: $33.00 for 30 servings
Check out our full Performance Lab Sleep review!
Best Calcium Magnesium Supplement
Calcium is great to be paired with magnesium, as it they help with neural, muscular, and blood vessel function, as well as for the maintenance of proper bodily fluid balance. While you can buy calcium and magnesium supplements separate, why not find a supplement that combines the two?
Vitalite NOW! Calcium & Magnesium
Calcium & Magnesium Plus is an ideal bone, tooth, nerve and muscle support supplement providing 100% of your daily needs of vitamin D3 and calcium. Vitamin D3 also provides immune support.
Calcium & Magnesium from Vitalite NOW! combines two essential minerals that both work together to improve and maintain several critical physiological processes. Calcium and magnesium are both necessary minerals that help with normal neural, muscular, and blood vessel function, as well as for the maintenance of proper bodily fluid balance. They also help the formation and maintenance of a healthy skeleton.
| Servings | 60 |
| Serving Size | 4 capsules |
| Amount of Magnesium per Serving | 500 mg |
Pros
- Great amount of magnesium
- Combines two essential minerals
- Easy to swallow tablets
- Also contains vitamin D3
Cons
- May have an aftertaste
Price: $33.90 for 60 servings
Most Transparent Magnesium Supplement
One of the worst things you can do is spend money on a supplement filled with blends and ingredients that you cannot even pronounce. So it is best that you find something that is easy to say, and has a clear cut label.
MUTANT MUSCLE MAG
Maximize your night-time recovery with MUTANT MUSCLE MAG! These B6 fortified quad-form magnesium caps are a knockout formula that relaxes agitated muscles while improving sleep and recovery.
MUSCLE MAG from MUTANT makes the list again with its 210 mg of magnesium and 5 mg of Vitamin B6 per serving, this time as the most transparent magnesium supplement. It combines two of the best supplements for recovery, which is something many other products do not do.
MUSCLE MAG contains a full spectrum magnesium blend, consisting of 4 types of magnesium: bisglycinate, aspartate, malate and Aquamin®. The overload of magnesium is also beneficial for people who are deficient in the nutrient, which is far more than you would think.
| Servings | 120 |
| Serving Size | 1 capsule |
| Amount of Magnesium per Serving | 210 mg |
Pros
- Good blend of magnesium
- Easy to swallow capsules
- Good price
Cons
- May have more ingredients than some people want
Price: $24.99 for 120 servings
Check out our full Mutant Mag review!
Best Drink/Powder Magnesium
Sometimes throwing your supplements right in your shaker bottle is the best way to take them. It makes for an easy, on the go drink!
BULK Supplements Magnesium Glycinate
Magnesium glycinate is a magnesium supplement that provides an easy way to increase your magnesium intake.
BulkSupplements Magnesium Glycinate makes the list again as it comes in powder form, with the serving size being in teaspoons. You are able to just throw this supplement in a shaker bottle with your beverage of choice, and drink away! When it comes to each serving, you get 400 mg of magnesium to make for an excellent source of this important mineral. It also is free of additives, sugar, soy, gluten, dairy, yeast, and literally anything else but magnesium, so you know exactly what to expect out of each serving.
| Servings | 454 |
| Serving Size | ⅘tsp |
| Amount of Magnesium per Serving | 400mg |
Pros
- Good amount of magnesium
- Straight magnesium
- Affordable
Cons
- No extra ingredients if you are looking for something like that
Price: $32.96 for 454 servings
How we Choose Our Supplements
The team at Generation Iron hand picks each entry for our lists. We look at ingredients, what each ingredient does, then we take a look at pricing and price per servings and compare them to choose which option we would personally like to try. Then we sample them, and from there it is a very careful trial period where we look at everything possible to narrow down our list of top choices.
Pricing
When it comes to looking at all of these magnesium supplements, you want the best option. But with supplements being so expensive nowadays, finding those products that are reasonably priced while still effective is possible. Below is a breakdown of these products with their respective prices and prices per serving.
| Category | Product | Price |
| Best Magnesium Supplement | Transparent Labs Mag PM | $2.99/serving |
| Best Magnesium Supplement for Bodybuilding | Nutricost Magnesium | $0.15/serving |
| Best Multivitamin Magnesium Supplement | Transparent Labs WellnessSeries Multivitamin | $0.99/serving |
| Best Magnesium Supplement for Sleep | Performance Lab Sleep | $1.10/serving |
| Best Calcium and Magnesium Supplement | Vitalite NOW! Calcium & Magnesium | $0.57/serving |
| Most Transparent Magnesium Supplement | MUTANT MUSCLE MAG | $0.21/serving |
| Best Drink/Powder Magnesium Supplement | BULK Supplements Magnesium Glycinate | $0.07/serving |
What to Consider Before Buying
When it comes to purchasing supplements, it is best to consult with a licensed physician before actually buying. As with all supplements, you should consider what your goals are and then be looking to get something with high-quality ingredients. What is in your supplements can be a game changer and making sure the right ingredients are in your supplement is a must. Always check the label and make sure each is dosed and no one tries to pull a fast one with proprietary blends and junk ingredients.
FAQs
You may have a few questions regarding magnesium and our top list, so let’s take a look.
What are the side effects of magnesium?
There are no known side effects besides some gastrointestinal issues such as nausea, abdominal cramping, and diarrhea. However, these symptoms are typically prominent when you receive too much magnesium for your system, and you really have to be consuming an absurd amount to feel the side effects.
How much can I take each day?
There is not necessarily an exact limit to how much you can take each day, just the recommended amount which is 420 mg for men, and 320 for women. However, keep in mind that when you take loads and loads of magnesium, you may potentially experience some unwanted side effects.
What Foods is Magnesium in?
Magnesium is found in a variety of widely available foods, including leafy greens, legumes, nuts, and seeds. While it is found in a good amount of foods, most people do not get nearly enough of it in their diets, which is why it may be in your best interest to supplement with magnesium supplements.
How much magnesium do you need? What is the safe amount to take?
Well, even though there is no harm in taking it in massive amounts (besides some possible gastrointestinal issues), the Food and Nutrition Board (FNB) has set an average daily upper limit of 350 milligrams of magnesium from supplements for adults. To go into deeper detail, the FNB recommends 420 milligrams for men and 320 milligrams for women.
Wrap Up
Overall, magnesium is such a beneficial supplement to add into your stack. It helps with sleep, anti inflammation, and recovery as a whole, and we know that recovery is where you truly grow and make your forward progress, so why not find a good magnesium supplement to help you reach your goals?
Will you be giving these supplements a try?
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