Magnesium Bath Flakes Ultra
Dissolved in warm water, Ancient Minerals Magnesium Bath Flakes Ultra contain only the purest ingredients of highly soluble magnesium chloride with premium distilled OptiMSM® (the world's purity standard for MSM) in a convenient magnesium soak.
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Helps release post-activity tension
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Infused with OptiMSM® for added support
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Pure, fragrance-free, and fast-dissolving
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Suitable for full baths or foot soaks
Pairs well with
Zechstein Magnesium Advantage
Pure magnesium chloride
This magnesium chloride is protected from modern contaminants and trusted for clean, topical use.
MSM-Enhanced Recovery
Post-activity soak
OptiMSM® adds organic sulfur to the soak—ideal after movement, training, or long days on your feet.
Daily Reset
End-of-day support
Helps transition your body into rest—a welcome addition to evening routines.
Zechstein Magnesium Advantage
Pure magnesium chloride
This magnesium chloride is protected from modern contaminants and trusted for clean, topical use.
MSM-Enhanced Recovery
Post-activity soak
OptiMSM® adds organic sulfur to the soak—ideal after movement, training, or long days on your feet.
Daily Reset
End-of-day support
Helps transition your body into rest—a welcome addition to evening routines.
Ingredient highlights
MSM (from OPTIMSM®)
A premium form of organic sulfur known for purity and quality in topical applications.
- Pairs well with magnesium chloride
- Enhances the feel of the soak
- No added fragrance or synthetic fillers
Ingredients List
Genuine Zechstein magnesium chloride flakes (and trace minerals), methylsulfonylmethane (MSM), vegetable glycerinApproximately 15g elemental magnesium per cup
Approximately 3g elemental sulfur (from OptiMSM®) per cup
Suggested Use
Enhance your bath with the power of magnesium and MSM.
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Add 1-2 cups of bath flakes to warm water
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Soak for 20-30 minutes to allow magnesium to absorb
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Pat skin dry and enjoy the lingering sense of relaxation
Real people, real results
Discover the advantages
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Competitors
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|---|---|---|
| MSM-Enhanced |
Infused with premium OptiMSM® to elevate magnesium soaking
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Lacks advanced ingredients that enhance the soaking experience
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| Source Purity |
Sustainably sourced from the ancient underground Zechstein seabed for unmatched purity
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Often made with polluted or synthetically produced forms
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| Clean Formula Simplicity |
Ultra-pure magnesium flakes and MSM—nothing added
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Can include artificial ingredients and skin irritants
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| Tradition-Driven |
Honors the time-honored practice of mineral bathing
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Lacks connection to ancestral methods
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When will you notice a difference?
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First SoakQuick-dissolving flakes, clean water feel, no grit or residue.
- Easy to use
- Clean feel
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After 1 WeekFits naturally into your routine, whether after movement or before bed.
- Relaxed
- Routine-friendly
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Ongoing UseBecomes a reliable part of your self-care, responsive to your needs.
- Consistent
- Everyday comfort
Further Insights
Both ingredients are known for their purity and performance in wellness routines. Magnesium chloride offers fast solubility and a clean skin feel, while OptiMSM® is a premium source of organic sulfur, widely used in recovery-focused formulations.
Whether after movement, before bed, or anytime your body needs a break, this formula works for full-body baths or targeted foot soaks—no scent, no fillers, no hassle.
Customer Reviews
FAQs
Ancient Minerals Magnesium Bath Flakes are made with magnesium chloride, which offers a smooth, easily dissolvable soak and is known for its use in professional wellness settings. Epsom salts, composed of magnesium sulfate, are more commonly found in general retail and may vary in source and consistency.
Our flakes are sourced from the ancient Zechstein seabed, a protected and deeply buried natural deposit. By contrast, many Epsom salt brands do not disclose their source and may be packaged from various suppliers based on availability.
Ancient Minerals magnesium chloride is harvested from the Zechstein seabed, a deeply buried, ancient deposit in the Netherlands. This source has been protected from modern environmental exposure for millions of years, and is known for its consistency and quality.
We use only Genuine Zechstein magnesium chloride, and every Ancient Minerals product carries the Genuine Zechstein mark—a reflection of its origin and mineral identity.
Magnesium baths have been used by families as a gentle self-care practice for children. For a small bath, many parents choose to add ½ to 1 cup of flakes to warm water, adjusting as needed based on the child’s age and comfort level.
As with any new product, we recommend consulting your pediatrician—especially for children under 2 years of age.
Magnesium baths can be enjoyed regularly as part of a self-care routine. Many people choose to soak a few times per week, while others make it a daily ritual.
As with any personal care practice, frequency can be adjusted based on your individual needs and preferences.
Many women choose to include magnesium baths as part of their self-care routine during pregnancy or breastfeeding. However, if you are pregnant or nursing, we recommend consulting your healthcare provider before use—especially if it’s your first time using topical magnesium.
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