The short answer · Constipation
Take magnesium oxide for constipation. This is the one to buy.
Nature's Bounty, Magnesium, High Potency, 500 mg, 200 Coated Tablets
4.8· 6,960 ratings· $0.05/serving
Magnesium Oxide 500 mg — inside the studied 400-1000 mg window
Of 7,426 products scored for Constipation, Nature's Bounty, Magnesium, High Potency, 500 mg, 200 Coated Tablets ranks #1 with a DoseRank score of 86. Magnesium Oxide is the strongest evidence signal for this outcome.
Retailer links may be affiliate links. Rankings and placement are never paid.
The form“Why Magnesium Oxide — not Magnesium Citrate?”Evidence Strong evidence
Magnesium Oxide is the strongest evidence signal for this outcome.
- Magnesium OxideThe pick
Strong evidence · 500 mg
High-elemental-content magnesium form (60% Mg by weight) but poorly absorbed and strongly laxative — typically used as a stool softener, not for systemic magnesium repletion.
- Magnesium Citrate
Strong evidence · 400 mg
Well-absorbed magnesium bound to citric acid; more bioavailable than oxide but mildly laxative at higher doses — the common workhorse for general repletion.
The dose“Is the dose actually effective?”Dose fit 71
Magnesium Oxide at 500 mg lands inside the studied 400-1000 mg window.
Magnesium Oxide
Studied window 400-1000 mg · this pick 500 mg
The ranking“Why should I trust this pick?”Trust 95
Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.
- 7,426 products scored
- Never paid placement
- Evidence level: Strong · 92
- 563 brands
- 39 ingredients
The price“Can I do better than $0.05 a serving?”Value 90
$0.05 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.
Ready?
The #1 pick is $0.05 a serving.Nature's Bounty, Magnesium, High Potency, 500 mg, 200 Coated Tablets — in stock at a tracked retailer.
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Nature's Bounty, Magnesium, High Potency, 500 mg, 200 Coated Tablets ranks #1 for Constipation with a DoseRank score of 86. The score blends clinical strength, evidence, dose fit, trust signals and value across 7,426 products scored for this outcome.
Keep exploring
Other outcomes
- Abdominal painPain arising from the abdomen or digestive tract.
- BloatingAbdominal fullness or distension.
- DiarrheaLoose or frequent stools.
- Dyspepsia or indigestionUpper abdominal discomfort related to digestion.
- Gas or flatulenceExcess intestinal gas symptoms.
- Gastroesophageal reflux or heartburnReflux symptoms causing burning or discomfort.