Page 1 - Reviews - Jigsaw Health, MagSRT® B-Free, 240 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.7
Based on 486 ratings
401
57
21
5
2
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What customers say
Customers highly praise this magnesium supplement for its health benefits, particularly in improving sleep quality and alleviating muscle cramps. The product is noted for its high absorbability and sustained release form, which ensures consistent magnesium support throughout the day. Users appreciate that the tablets are easy to swallow despite their size and report no digestive issues or side effects. Many have experienced significant improvements in muscle relaxation, energy levels, and overall well-being. The brand Jigsaw Health is commended for its dedication to quality and innovation, with several customers mentioning long-term use and trust in the product's effectiveness. The supplement's time-release capability and absence of artificial B vitamins are also highlighted as key features. Overall, the product receives strong recommendations for anyone seeking a reliable and high-quality magnesium supplement.
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English
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iHerb customer
Gold
Posted on Aug 28, 2024
United Arab Emirates
301
0
0
59
Verified purchase
Good brand but not sure of the effects , probably was able to maintain my magnesium levels
iHerb customer
Gold
Posted on Nov 4, 2023
United Arab Emirates
391
0
1
30
Verified purchase
Great type of magnesium that it time-release. Really like it and going to repurchase.
iHerb customer
Posted on Oct 15, 2025
United States
5
1
1
4
The best magnesium
Verified purchase
It's expensive, but worth the money. Thanks to its slow-release formula, it doesn't cause intestinal problems. My magnesium levels have increased, according to my tests. My sleep has become deeper, and I have more energy during the day. I have a lot of vitamin B12 – over 1000 units. The B-Free formula is just what I need.
iHerbCustomer
Posted on Sep 9, 2025
Ireland
9
10
1
2
Verified purchase
Great quality and ingredients. The size is good, easy to take. I take it for the last 1.5 years and I feel the benefits. My sleep improved, no more muscle cramps and is very good for joint pain. The taste is normal, no difficulty taking it at all.
991518a6-e28b-4976-84ac-190784438fb2
GeorgijPonomarenko
Posted on Oct 26, 2025
Lithuania
11
0
0
2
Good magnesium form
Verified purchase
Since magnesium is an essential mineral for the body and daily diet does not always provide the necessary amount, a good option is to supplement with this well-absorbed form. I take 4 tablets a day in the morning and evening.
iHerb customer
Posted on Nov 18, 2025
Australia
56
0
2
2
Good product
Verified purchase
I really like this product as it has quality ingredients at a reasonable price point but I won't continue taking these due to the ongoing cost.
Kim
Silver
Posted on Jan 28, 2026
United States
130
0
0
6
This is a fantastic Magnesium product.
Verified purchase
As someone with a complex debilitating illness that needs magnesium, I take 1/2 a pill every couple/few hours starting from my waking time until evening. I had the worst leg cramps every morning until I started doing this. I also use other magnesium but they never stopped the leg cramps.
iHerb customer
Posted on Jun 30, 2025
Thailand
83
0
0
62
Approve
Verified purchase
Jigsaw’s MagSRT B-Free is one of the best magnesium supplements on the market, especially for those who are sensitive to other forms. It uses a sustained-release delivery system to ensure steady absorption, reducing the risk of loose stools or sudden spikes. The “B-Free” version contains no added B vitamins, which is great if you’re managing methylation issues or already supplementing B-complex separately. I noticed improved sleep quality, muscle recovery, and mood stability within a week. Tablets are large, but manageable. This is a premium product for chronic magnesium users looking for stable, long-term support — especially for sleep, adrenal health, and stress.
g
Gold
Posted on Jun 20, 2025
Singapore
7,041
0
0
915
Verified purchase
MagSRT has been a game-changer for my restless legs and sleep issues—I finally wake up feeling rested! The time-release formula means no sudden bathroom trips at 3 AM (huge plus). Even my partner noticed I’m less irritable, probably because I’m actually sleeping now. Worth every penny for the quality!
iHerbCustomer
Posted on May 25, 2025
Lithuania
64
2
0
37
High quality product!
Verified purchase
I use Jigsaw MagSRT B free magnesium for a healthy metabolism. It is required for thousands of enzyme reactions, plays important role in digestion, cardial health, sugar management. It was recommended by the protocol I follow, so I trust the quality and purity of their ingredients. The capsules are easy to swallow, medium-sized.