Is This Supplement Legit

Product comparison

Life Extension Magnesium Capsules vs NOW Foods Magnesium

Life Extension·NOW Foods

Life Extension Magnesium Capsules

144 mg · 30 servings · Non-GMO

69/ 100

Total

Choose if…

  • Either option is acceptable - use the table above for the lane you care about.
VS

NOW Foods Magnesium leads overall

Thin race: only 3 points between totals

NOW Foods Magnesium

200 mg · 250 servings

72/ 100

Total

Lean toward NOW Foods Magnesium

Choose if…

  • You prioritize disclosure, certs, and readable label story.
  • You want the higher combined total with the same weights as single-SKU pages.

Purchasing

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Check prices

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Choose Life Extension Magnesium Capsules if…

  • you still want to verify the latest label, price, and stock on the retailer.

Choose NOW Foods Magnesium if…

  • you want the higher overall decision score in this head-to-head.
  • you want more servings per container at a similar use pattern.

Solid pick

Life Extension Magnesium Capsules

Price on file is stale or unverified—confirm on the retailer.

See latest price on Amazon

Price and availability may change. Check the latest price on Amazon.

Winner

NOW Foods Magnesium

Price on file is stale or unverified—confirm on the retailer.

See latest price on Amazon

Price and availability may change. Check the latest price on Amazon.

Split decision - tradeoffs

Close call
  • NOW Foods Magnesium leads on transparency (Δ ≈ 20 pts).
Either SKU clears a decent baseline: Life Extension Magnesium CapsulesStronger transparency lane: NOW Foods MagnesiumHigher total in this matchup: NOW Foods MagnesiumEither SKU clears a decent baseline: NOW Foods Magnesium

Decision table

  • ValueTie band
  • FormulaTie band
  • Label clarityTie band
  • AdditivesTie band
  • TransparencyNOW Foods Magnesium +20
MetricLife Extension Magnesium CapsulesNOW Foods Magnesium
Total score6972
Ingredient fit8282
Dosage plausibility6767
Formula quality6060
Additives & label (combined lane)7272
Excipient / additive burden7272
Label clarity7272
Transparency5474
Value6060
Safety8282
Formotherother
Serving size1 serving1 serving
Servings / container30250
Certifications--
Latest price on file--

Head-to-head verdict

Razor-thin margin - NOW Foods Magnesium edges it; both are defensible.

Following the winner captures about +3 points on our total in this matchup.

Data confidence (catalog)

Life Extension Magnesium Capsules · limited-trust dataThin proof - treat scores as directional, not definitive.
NOW Foods Magnesium · limited-trust dataThin proof - treat scores as directional, not definitive.

Category-adjusted decision

Life Extension Magnesium Capsules: 52NOW Foods Magnesium: 54

Rubric lift if you switch

  • +20 on transparency

Where Life Extension Magnesium Capsules leads

  • No decisive lane wins versus the other SKU in our tie bands.

Where NOW Foods Magnesium leads

  • NOW Foods Magnesium leads on transparency (Δ ≈ 20 pts).

Compare next

Best in this category

See how every tracked Magnesium SKU ranks - overall, value, transparency, and certifications.

Open best Magnesium rankings

Ingredient intelligence

How this compare works

We diff the same product lanes used on SKU pages - including additive burden and label clarity - with tie bands so tiny gaps are not oversold. Open each product review for certifications, price history, and full notes.

Informational only - not medical advice, diagnosis, or treatment.