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NOW Supplements, Magnesium Citrate, Enzyme Function, 120 Veg Caps
Product analysis · NOW Foods

NOW Supplements, Magnesium Citrate, Enzyme Function, 120 Veg Caps

Citrate · Capsule

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
14/20
Value
17/20
Dose transparency
9/15
Manufacturer transparency
6/10
Label/ingredient transparency
6/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing transparency: 3/25
$8.21Amazon
CapsuleFormat
400 mgDaily dose
Pack count needs reviewPack size
$0.21Price/day
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We may earn a commission from qualifying purchases. This never affects our scores.

The score, explained

Our scoring methodology
Testing & evidence12.8/100
3 points contributed · weighting 25
Ingredient/formulation quality70/100
14 points contributed · weighting 20
Value87/100
17 points contributed · weighting 20
Dose transparency60/100
9 points contributed · weighting 15
Manufacturer transparency55/100
6 points contributed · weighting 10
Label/ingredient transparency60/100
6 points contributed · weighting 10

The score compares product data, not medical effectiveness or individual suitability. Prime and affiliate commission contribute no points.

Testing & evidence

Testing claimed

Evidence status
Testing claimed
Manufacturer statement
NOW’s own product imagery says: “Intertek GMP certification means that every aspect of the NOW supplement manufacturing process has been audited, including our laboratory/testing methods (for stability, potency, and product formulation).” The product page also shows: “This bottle is made from 100% PCR (post-consumer recycled) resin.”
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-13 19:36:16

Dose & value

Active form
Citrate
Daily dose
400 mgelemental magnesiumWithin commonly studied range
Serving size
3 capsules
Pack size
Pack count needs review
Servings per day
1
Price per day
$0.21
Price last checked
2026-09-13 13:29:32

Daily cost follows the label serving. The value score uses the category’s documented comparison method. The label serving is not a recommendation for your personal intake.

Magnesium formulation details

Magnesium form
Citrate
Compound mass / serving (mg)
Not disclosed
Elemental magnesium / serving (mg)
400
Elemental magnesium / day (mg)
400
Capsules or tablets / day
3
Additional active ingredients
Not disclosed

Product sources & research notes

Listing and manufacturer details describe the label; they do not independently verify product claims. Check the current pack before use.

Ingredients & suitability

Vegan Vegetarian

Excipients
Not disclosed — check the current label
Allergens
Not disclosed — check the current label
Carrier / source
Not disclosed — check the current label
Other active ingredients
Not disclosed — check the current label

Manufacturer transparency

Brand
NOW Foods
Legal company
NOW Health Group, Inc.
Manufacturing model
In-house
Manufacturing location
United States (Bloomingdale, IL; Sparks, NV)

View the full brand profile →

What the record makes clear

  • Active amount is disclosed.
  • Daily cost can be calculated from the recorded serving.

What to keep in mind

  • Verify the current label and the batch covered by any testing report.
  • A product score cannot determine whether you need a supplement.

Explore the alternatives

Compare alternative

Pure Encapsulations Magnesium Glycinate 120mg

Why this score?
Testing & evidence
20/25
Ingredient/formulation quality
18/20
Value
5/20
Dose transparency
8/15
Manufacturer transparency
6/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
Certificate of Analysis for "Pure Encapsulations Magnesium (glycinate)" showing Report Number 4321342-0, Report Date 14-Dec-2023, and testing by Eurofins Food Chemistry Testing Madison / Food Integrity Innovation-Madison; result: Magnesium 121 mg/serving.
Laboratory
Eurofins Food Chemistry Testing Madison
Certification body
Not recorded
Batch
50331761
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-15 18:32:55
$0.30per day
$27.00per pack
View AnalysisBuy Nowon Amazon
Compare alternative

KAL Magnesium Glycinate with BioPerine

Why this score?
Testing & evidence
3/25
Ingredient/formulation quality
18/20
Value
11/20
Dose transparency
14/15
Manufacturer transparency
5/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "Every batch third-party tested for purity and potency. What you read on the label is what is in the tub." Product page also says "UK made, batch tested" and "Certified facilities, every batch."
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-15 18:28:20
$0.22per day
$13.29per pack
View AnalysisBuy Nowon Amazon
Compare alternative

Doctor’s Best Magnesium Glycinate Lysinate 200mg

Why this score?
Testing & evidence
0/25
Ingredient/formulation quality
18/20
Value
12/20
Dose transparency
14/15
Manufacturer transparency
6/10
Label/ingredient transparency
10/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
No public evidence located
Manufacturer statement
Not recorded
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-15 18:40:47
$0.20per day
$23.99per pack
View AnalysisBuy Nowon Amazon