Absorption Booster
Vitamin B6
Vitamin B6 supports cellular magnesium transport and retention.
No matching catalogue product yet.
What it is
Budget repletion and bowel regularity
Who it suits
Constipation relief, Cost-efficient repletion, Kidney-stone (calcium oxalate) risk reduction
Best price today
$14.35 at iHerb (US)
Verified clinical advantages
- Informed Choice certified manufacturing facility
- Lowest cost per 100 mg elemental in the cohort
- Genuine citrate, not oxide relabelled
Trade-offs & compromises
- Pronounced osmotic laxative effect above 300 mg
- Three capsules per serving
- Contains magnesium stearate
Multi-store price comparison
| Merchant | Base price | Shipping | Delivery | Stock | |
|---|---|---|---|---|---|
| iHerbUS | $14.35 | $7.07 | 5-8 business days | In stock | View on iHerb |
| Amazon.deDE | $19.51 | Free | 1-2 business days | In stock | View on Amazon.de |
Prices last synced: 14 Sept 2026, 00:47 UTC. Prices and availability are subject to change.
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Biochemical facts panel
Gross compound
2222 mg
Elemental active
400 mg
% Daily value
95%
Bioavailability
Moderate
Magnesium bound to citric acid. Highly water-soluble and reasonably bioavailable, but unabsorbed magnesium remains osmotically active in the colon, drawing water into the lumen — the mechanism behind its use as a saline laxative.
Target benefits
- Constipation relief
- Cost-efficient repletion
- Kidney-stone (calcium oxalate) risk reduction
GI tolerance & side effects
- Osmotic diarrhoea
- Abdominal cramping
- Electrolyte loss at laxative doses
Renal & other contraindications
- Renal insufficiency
- Inflammatory bowel disease flare
- Bowel obstruction
Upper tolerable intake: 350 mg/day elemental from supplemental sources
Full excipient & inactive additive disclosure
Magnesium stearateSilicaHypromellose (capsule)
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Prices last synced: 14 Sept 2026, 00:47 UTC. Prices and availability are subject to change.
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Prices last synced: 14 Sept 2026, 00:47 UTC. Prices and availability are subject to change.