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💪 Recharge your body, calm your mind, and own your nights with Magnesium Breakthrough 4.0!
BIOptimizers Magnesium Breakthrough 4.0 delivers a potent 7-in-1 magnesium complex in 30 vegan capsules, combining glycinate, malate, taurate, citrate, and more to support sleep, reduce anxiety, relieve leg cramps, and boost energy. This premium, science-backed formula is free from soy and gluten, designed for adults seeking holistic muscle, brain, and sleep health.













| ASIN | B0CZ1QDCVX |
| Age Range Description | Adult |
| Allergen Information | Contains: Soy Free |
| Benefits | Bone Strength, Brain Health, Energy Management, Immune Support, Sleep Support, Stress Relief |
| Best Sellers Rank | 3,718 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 80 in Magnesium |
| Brand | BIOptimizers |
| Brand Name | BIOptimizers |
| Customer Reviews | 4.5 out of 5 stars 621 Reviews |
| Diet Type | Vegan, Vegetarian |
| Dose Release Method | Delayed Release |
| Flavour | Unflavoured |
| Item Form | Capsule |
| Item Weight | 0.1 Kilograms |
| Item form | Capsule |
| Manufacturer | BiOptimizers |
| Manufacturer Part Number | BIO-MAG |
| Material Type Free | Gluten Free, Soy Free |
| Model Number | MB01 |
| Number of Items | 1 |
| Pill Coating | Uncoated |
| Primary Supplement Type | Magnesium |
| Primary supplement type | Magnesium |
| Product benefits | Bone Strength, Brain Health, Energy Management, Immune Support, Sleep Support, Stress Relief |
| Supplement Formulation | Multi-Supplement |
| UPC | 850018116992 |
| Unit Count | 30 count |
| Unit count | 30 count |
E**A
Repeat buyer
My favourite magnesium tablet. Been buying them for years. Definitely help with my insomnia
H**T
One of the best supplements I've tried
I tried Bioptimizers Magnesium Breakthrough after success with their MassZymes digestive enzyme pills and the P3-OM probiotics. The quality and care this firm takes comes through, I feel, those are both great products. Magnesium is something I have been taking with Covid in mind and also the general sense that magnesium is needed in so many body functions just as I was bathing in magnesium flakes. I didn't give it much thought after that but recently read Paul Chek, a top holistic health practitioner and instructor, saying how vital magnesium was for sleep and calm and that a good magnesium supplement would have all variations (not the scientific term I am sure) of magnesium in order to maximise benefits. This one does. And after reading what Paul had to say I noticed that yes, I have been sleeping better and feeling calmer since taking it. And so I shall continue to take it. The price is good and I recommend it.
C**G
Really helped my sleep definitely worth the money
I can’t say I’ve tried loads of magnesium before, but I did try one other brand and honestly I just missed my BioOptimizers. Maybe it’s the fact this one has so many different types of magnesium in it, but it just feels like it works better. I’d read the reviews before buying and now I get why everyone raves about it — it’s really helped my sleep and routine. Definitely worth the money . I’ve had absolutely no issues using this whatsoever.
S**A
Good brand, recommend, pricey
Good brand, recommend, pricey
D**N
Worked.
Dis the trick.
C**E
Full spectrum magnesium .... best that I’ve tried!
I rarely write reviews but I had to for this one! I work in a health shop and sell many different supplements, including magnesium. None of them touch this one! I heard about it on a podcast, which I trust on quality information. I am a self confessed health geek so this brand got me interested. I love that it is not synthetic, therefore more available to our cells. It contains ALL the different kinds of magnesium, which no other brand do and there are no nasties in either. Win win all round! I have had sleep issues on and off for years and have been using magnesium as a sleep aid. This one had me off to sleep very quickly and a deeper sleep too. I am delighted with it and will recommend and continue with it.
T**A
Worth it
This takes the guess work when choosing which type of magnesium to take as it has 7! It’s a bit pricey but worth it I take two every night at bed time and it helps the quality of sleep
D**H
Excellent product - highly recommended
I have been using these magnesium supplements for a while now after hearing about them on the What The Func? podcast. They are the only complete magnesium supplements available to my knowledge (7 types of magnesium). They really do the job - they help me feel relaxed and calm and I sleep incredibly well since taking them. Most of the population is deficient in magnesium - if you want to supplement it these are the ones to use. Highly recommended.
F**I
Comprehensive 7-in-1 Magnesium for Sleep, Stress & Energy
BiOptimizers Magnesium Breakthrough 4.0 is a premium vegan formula that combines seven highly bioavailable magnesium forms, including glycinate, malate, taurate, and citrate, for full-body benefits. I’ve been taking it nightly and noticed deeper sleep, reduced muscle tension, and less daytime stress. The blend supports relaxation through magnesium glycinate, boosts energy with malate, aids heart health via taurate, and promotes calm focus—making it ideal for both recovery and daily well-being. At 60 capsules per bottle, the dosage is precise and easy to manage. Third-party tested, free from artificial additives, BPA, and iron, it’s clean and reliable. Whether you're dealing with fatigue, poor sleep, or workout recovery, this all-in-one magnesium complex delivers noticeable results. A top-tier choice backed by science for those serious about holistic health.
M**.
Buena marca, recomendable
Ya lo he comprado en varias ocasiones, realmente no noto gran cosa, sí que duermo algo mejor, pero poco más. Aunque como con la mayoría de los complementos o vitaminas es difícil observar mejorías (o a mí me pasa).
H**Z
Really good
Great product!
R**M
Mai più senza
Il miglior magnesio di sempre. Lo uso da tanto per regolarizzare l'intestino ma ha molteplici benefici.
A**K
Good Magnesium
Works great
Trustpilot
4 days ago
3 weeks ago