Review: Life Extension Magnesium — 500 mg (100 Vegetarian Capsules)
Three forms in one capsule (oxide, citrate, succinate) for heart, bone, muscle, nerve, and energy support.
Product Overview
Life Extension’s Magnesium Caps provide a 500 mg dose of magnesium per capsule from a blend of magnesium oxide, magnesium citrate, and magnesium succinate. The brand positions this non-GMO, gluten-free, vegetarian formula for daily cardiovascular, bone, and nervous-system support. Suggested use: 1 capsule 1–3 times daily (follow your clinician’s guidance).
Quick Specs
Specs and directions per Life Extension & retailer listings.
Ingredient Breakdown
Why It Stands Out
Unlike single-form products, this capsule combines three complementary forms of magnesium to balance elemental content and tolerability. It’s also Non-GMO, gluten-free, vegetarian and gives a clear, flexible dose range (1–3/day) from a trusted brand.
Key Benefits
Heart & Vascular
Supports healthy blood pressure already in the normal range and endothelial function.
Muscle & Nerve
Involved in neuromuscular signaling to ease cramping and tension.
Bone & Energy
Co-factor in hundreds of enzymes that impact bone, ATP production & metabolism.
Daily Intake Support
Helps close the gap toward the RDA (400–420 mg men; 310–320 mg women).
User & Reddit Quotes
“Two nights in at 240 mg and I’m asleep in 20–30 minutes—deeper, more restorative sleep.” — reddit user
“Magnesium oxide is a laxative. Most people do fine on magnesium citrate after meals.” — reddit user
Quotes reflect individual experiences with magnesium (not specific to this exact product).
Is This Right For You?
- You want a triple-form magnesium capsule from a well-known brand
- You’re looking to support heart, muscle, nerve, and bone health
- You’ll take with food if sensitive to GI effects
- You’ll discuss dosing above 350 mg/day (supplemental) with a clinician
Pros & Cons
Pros
- 500 mg magnesium per capsule; flexible 1–3/day guidance
- Blend of oxide + citrate + succinate
- Non-GMO, gluten-free, vegetarian
- Clear Supplement Facts & simple excipients
Cons
- 500 mg supplemental magnesium exceeds the general adult UL of 350 mg/day
- Oxide component may cause loose stools in some
- No added calcium/potassium to balance for some users’ routines
How to Use
Start with 1 capsule daily with food. If additional support is needed and tolerated, some follow the label to take up to 1 capsule 2–3×/day. Separate from certain medications (see Cautions). Hydrate well; if GI effects occur, reduce dose or split across meals.
Cautions & Considerations
Upper intake (UL) & stacking
The UL for supplemental magnesium is 350 mg/day for adults (foods don’t count toward this). Higher intakes can cause diarrhea; work with your clinician if using above the UL.
Medication timing
Minerals may interfere with absorption of certain antibiotics and thyroid medication—separate by several hours. If you have kidney impairment, seek medical advice before use.
Form sensitivity
Magnesium oxide can be laxative for some; citrate is often gentler. Consider taking with meals and adjusting the dose.
Frequently Asked Questions
Which forms of magnesium are in this product?
Magnesium oxide, citrate, and succinate—together delivering 500 mg per capsule.
Is it Non-GMO, gluten-free, and vegetarian?
Yes; listings indicate Non-GMO, gluten-free, and vegetarian capsule.
How does the dose compare to daily needs?
RDAs are about 400–420 mg for men and 310–320 mg for women from all sources. Supplemental UL is 350 mg/day. Consult your clinician for personal dosing.
Can I take this at night for sleep?
Some people find magnesium relaxing; responses vary by person and form. Start low, take with food, and observe tolerance. (See Reddit quotes above.)
How can I get Life Extension Magnesium?
Buy from CalVitamin or the Life Extension store.
