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Ancient Minerals

Ancient Minerals Magnesium Bath Flakes Pure Zechstein Magnesium Chloride for Soaking and Whole-Body Replenishment 8 lb Bag

$29.95$36.95

1478+ bought in the past month

About this item

  • Mindful Magnesium Soak for Daily Wind-Downs - A clean, water-soluble form of magnesium chloride designed to complement warm baths or foot soaks—no added fragrance or fillers.
  • Purity from the Zechstein Seabed - Harvested from deep underground, our flakes are derived from one of the world’s most trusted natural magnesium sources —untouched by modern pollutants and gentle on all skin types.
  • Beyond Epsom Salt - Unlike Epsom salt (magnesium sulfate), Ancient Minerals uses magnesium chloride flakes—known for fast solubility and ease of topical use.
  • Trusted Since 2007 - Ancient Minerals remains a go-to name in topical magnesium, valued by customers around the world for its quality, sourcing, and simplicity.
  • Flexible for Bath or Foot Soak - Use as part of your evening reset, travel routine, or as a foot soak after long days. Suitable for women, men, and kids of all ages.

Key details

Brand
Ancient Minerals
Scent
Unscented
Age Range (Description)
Adult
Recommended Uses For Product
Relaxation
is_discontinued_by_manufacturer
No

Dimensions and fit

dimensions
‎ 4.76 x 10.59 x 15.04 inches; 8 Pounds
Product Benefits
Relaxation,Muscle Relief,Soothing,Muscle Aches,Gentle
product_dimensions
4.76 x 10.59 x 15.04 inches; 8 Pounds

Technical specifications

item_model_number
AMF-8

Item information

date_first_available
February 13, 2005
manufacturer
Ancient Minerals
best_sellers_rank
#236 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #2 in Bath Salts
Highlights

About this item

  • Mindful Magnesium Soak for Daily Wind-Downs - A clean, water-soluble form of magnesium chloride designed to complement warm baths or foot soaks—no added fragrance or fillers.
  • Purity from the Zechstein Seabed - Harvested from deep underground, our flakes are derived from one of the world’s most trusted natural magnesium sources —untouched by modern pollutants and gentle on all skin types.
  • Beyond Epsom Salt - Unlike Epsom salt (magnesium sulfate), Ancient Minerals uses magnesium chloride flakes—known for fast solubility and ease of topical use.
  • Trusted Since 2007 - Ancient Minerals remains a go-to name in topical magnesium, valued by customers around the world for its quality, sourcing, and simplicity.
  • Flexible for Bath or Foot Soak - Use as part of your evening reset, travel routine, or as a foot soak after long days. Suitable for women, men, and kids of all ages.

From the brand

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Product videos

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Customer reviews

21,207 reviewsPositive

Rated 4.8/5 across 21,207 reviews — highly regarded by customers.

  • 88% of sampled reviews give 4–5 stars.

Customers say

Customers find these bath flakes to be of great quality and effective, noting they dissolve instantly in warm water and work better than Epsom salts.

Generated from the text of customer reviews

Reviews with images

Customer review image for Joint pain relief
See all photos
★★★★★

Amazing Recovery and Relaxation - Pure Quality!

These Ancient Minerals Magnesium Bath Flakes have transformed my evening routine! After dealing with muscle tension and poor sleep, I decided to try magnesium baths and chose these based on the genuine Zechstein source - best decision ever. The quality is immediately noticeable. These dissolve completely in warm water without any residue or grittiness, creating a silky smooth bath experience. I use about 1/2 to 1 cup per bath, and the resealable bag makes storage and measuring easy while keeping the flakes fresh. Within 20 minutes of soaking, I can feel the difference - muscle tension melts away, especially in my shoulders and legs after long workdays or intense workouts. The absorption through the skin is gentle with no irritation, even on sensitive areas. My sleep quality has noticeably improved on nights I take these baths. What impressed me most is how pure these are - no additives, fragrances, or unnecessary ingredients. Just genuine Zechstein magnesium chloride, which gives me confidence in what I'm putting on my body. The bag lasts quite a while even with regular use. I've tried other magnesium bath products, but the quality and effectiveness of Ancient Minerals is superior. The recovery benefits are real - less soreness, better relaxation, and improved sleep. Perfect for athletes, anyone with muscle tension, or those seeking natural relaxation. Worth every penny for genuine therapeutic-grade magnesium! Read more

Amy Biggs
★★★★★

Great for Baths and Homemade Magnesium Cream

I buy these magnesium bath flakes mainly to make my own magnesium cream, and they work perfectly for that. They’re also wonderful to use in the bath—helping me relax and soothe sore muscles. High quality and easy to use. Read more

Charity
★★★★★

A Dip into Deep Relaxation: Review of Ancient Mineral Bath Salts

​From the moment you pour these crystals into your tub, you know you're not dealing with ordinary bath salts. The Ancient Mineral Bath Salts offer an experience that is far more therapeutic than standard Epsom salts, transforming a simple soak into a profound act of self-care. If you’re looking to truly unwind, recover, and soothe your body, look no further. ​Unrivaled Purity for Maximum Relaxation ​The secret to these bath salts lies in their source: ancient, purified mineral deposits that are rich in magnesium chloride. This form of magnesium is highly bioavailable and easily absorbed through the skin, which is the key to its powerful effects. ​Unlike salts that merely soften the water, these ancient minerals actively work to relax your nervous system. Within minutes of soaking, you feel a noticeable shift—tension seems to melt away from your shoulders, neck, and back. The result is a level of deep, calming relaxation that prepares your mind and body perfectly for restorative sleep. It’s an essential ritual for anyone dealing with stress or the demands of a hectic week. ​Therapeutic Relief for Aching Muscles ​For athletes, laborers, or anyone experiencing muscle soreness and fatigue, these salts are a non-negotiable recovery tool. Magnesium is vital for muscle function, and soaking in these high-grade minerals helps to draw out toxins and reduce inflammation. ​I’ve found that a 30-minute soak dramatically accelerates recovery time. Post-workout stiffness or the lingering aches from physical activity are significantly diminished. This isn't just a temporary distraction; it feels like genuine, restorative therapy that targets the core causes of muscle discomfort. ​Gentle on Skin and Easy to Use ​Despite their potency, the Ancient Mineral Bath Salts are incredibly gentle on the skin. They dissolve cleanly and quickly in warm water, leaving no gritty residue, and they don't leave your skin feeling tight or dried out. Instead, my skin feels soft, refreshed, and hydrated after emerging from the bath. ​The packaging is sturdy, and the crystals themselves are beautiful—large, pure flakes that convey their high quality instantly. They are virtually unscented, which makes them perfect for blending with your favorite essential oils if you prefer an aromatic experience, or simply enjoying their natural purity. ​Final Verdict ​The Ancient Mineral Bath Salts are a premium product that fully justifies the investment. They deliver exceptional results, providing profound relaxation, legitimate muscle relief, and a clean, gentle experience for your skin. They are truly the foundation for a perfect, healing bath. Read more

Alex
★★★★★

Great product

I made some dyi magnesium spray. It worked great! The product helps with aches and pains and dissolves well. Read more

DixieChic
★★★★★

High quality, great product!

Great, high quality magnesium bath salts that melt in warm water and relieve aches & pains. You’ll be well relaxed and sleep like a baby!! Read more

Travis
★★★★

Qaulity

Mine was chunky not flakes but it still worked. Good price. Read more

Karla Woodis
★★★★★

Joint pain relief

I was skeptical but this really works better than other brands/types. I know it sounds hokey but this is truly the best Epsom salt I’ve ever used. I have OA and this provides joint pain relief almost immediately. The flakes dissolve nicely and also make my skin feel soft. Give it a try. Read more

Customer review image for Joint pain relief
mandm22
★★★★★

Great for a foot soak

I use this along with Aztec Indian Healing Clay and Epsom salt for a foot detox. It helps with swelling and the magnesium is very good as it absorbs through the skin. It aids in a restful sleep and has many other health benefits but a foot detox is what I use it for because I suffer from pains and it helps. Read more

Khalifah Kush
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