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Magnesium Citrate

Compare magnesium products containing this form by elemental daily dose, daily cost and testing evidence. Blends remain clearly labelled; the parent Magnesium guide explains forms, evidence and safety.

We may earn a commission from qualifying purchases at no extra cost to you. Affiliate relationships never determine our scores or rankings.

9products compared
8forms compared
£0.08 – £0.39per day
0with verified testing evidence
Compare Magnesium Citrate

Our Top Picks for Magnesium Citrate

View all Magnesium Citrate products
Best Overall

WeightWorld Magnesium 4-in-1

Why this score?
Testing & evidence
17/20
Ingredient/formulation quality
24/25
Value
18/20
Dose transparency
15/15
Manufacturer transparency
9/10
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
Manufacturer COA
Manufacturer statement
WeightWorld product page says the supplement is "Third-Party Tested" and the page includes a PDF titled "WEIGHTWORLD_MAGNESIUM_GLYCINATE_1422_mg_180_CAPSULES_-_BATCH_CODE_0429825-TCC.pdf". The PDF itself is a "TESTING COMPLIANCE CERTIFICATE" for "WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825" and reports microbiology and contaminant testing plus magnesium/vitamin B6 tolerance checks.
Laboratory
Not recorded
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:44:37
Daily dose
400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
£0.15per day
£13.49per pack
View AnalysisBuy Nowon Amazon
Best Tested

WeightWorld Magnesium 4-in-1

Why this score?
Testing & evidence
17/20
Ingredient/formulation quality
24/25
Value
18/20
Dose transparency
15/15
Manufacturer transparency
9/10
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
Manufacturer COA
Manufacturer statement
WeightWorld product page says the supplement is "Third-Party Tested" and the page includes a PDF titled "WEIGHTWORLD_MAGNESIUM_GLYCINATE_1422_mg_180_CAPSULES_-_BATCH_CODE_0429825-TCC.pdf". The PDF itself is a "TESTING COMPLIANCE CERTIFICATE" for "WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825" and reports microbiology and contaminant testing plus magnesium/vitamin B6 tolerance checks.
Laboratory
Not recorded
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:44:37
Daily dose
400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
£0.15per day
£13.49per pack
View AnalysisBuy Nowon Amazon
Cheapest Per Day

Nu U Nutrition Magnesium Citrate 200 mg

Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
20/25
Value
17/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
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
2026-09-14 17:31:19
Active form
Citratebuffered
Daily dose
200 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
£0.08per day
£14.97per pack
View AnalysisBuy Nowon Amazon

Compare Magnesium Citrate Products

9 products

Compare elemental magnesium, not compound weight. A 1,420 mg bisglycinate compound can supply 200 mg elemental magnesium. The rest is the accompanying compound. Use the declared elemental amount; do not infer it from a generic conversion percentage. Read the dose guide ↓

Magnesium Citrate product comparison
#ProductActive formDaily dosePrice/dayTestingScore
1WeightWorld Magnesium 4-in-1WeightWorld180 capsulesBisglycinateCitrateMalateTaurate400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.15per day£13.49 per packBuy Nowon AmazonTesting evidence
Evidence status
Manufacturer COA
Manufacturer statement
WeightWorld product page says the supplement is "Third-Party Tested" and the page includes a PDF titled "WEIGHTWORLD_MAGNESIUM_GLYCINATE_1422_mg_180_CAPSULES_-_BATCH_CODE_0429825-TCC.pdf". The PDF itself is a "TESTING COMPLIANCE CERTIFICATE" for "WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825" and reports microbiology and contaminant testing plus magnesium/vitamin B6 tolerance checks.
Laboratory
Not recorded
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:44:37
Why this score?
Testing & evidence
17/20
Ingredient/formulation quality
24/25
Value
18/20
Dose transparency
15/15
Manufacturer transparency
9/10
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.
2New Leaf Magnesium 4-in-1New Leaf Products120 capsulesBisglycinateOxideCitrateMalate381 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.20per day£11.95 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "Formulated and Tested with Expertise" and "our products undergo rigorous testing for heavy metals and unwanted compounds during production" on the Ingredients & Quality page.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:20:38
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
15/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
3VitaBright Magnesium CitrateVitaBright240 capsulesOxideCitratebuffered444 mgAbove recommended rangeRecommended: 270–300 mg/day (NHS)£0.13per day£15.87 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
VitaBright says: "All our supplements undergo rigorous quality testing. We normally have every batch tested by an independent laboratory which issues third-party certification."
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:32:08
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
20/25
Value
19/20
Dose transparency
13/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
4Nutrition Geeks Magnesium 3-in-1Nutrition Geeks90 capsulesBisglycinateCitrateMalate384 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.22per day£9.99 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer product page states: "Third-party tested" and "JUN 2026 1 active ingredient tested for quality" for Magnesium Glycinate 3-in-1.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:21:32
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
13/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
5Nu U Nutrition Magnesium Citrate 200 mgNu U Nutrition180 tabletsCitratebuffered200 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.08per day£14.97 per packBuy Nowon AmazonTesting 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
2026-09-14 17:31:19
Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
20/25
Value
17/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
6AAVALABS Fullnesium ComplexAAVALABS180 capsulesBisglycinateOxideCitrateMalateTaurate425 mgAbove recommended rangeRecommended: 270–300 mg/day (NHS)£0.22per day£19.60 per packBuy Nowon AmazonTesting evidence
Evidence status
Testing claimed
Manufacturer statement
AAVALABS’ own FAQ and brand article say the company’s products are subjected to “thorough independent third-party laboratories to ensure purity, including checks for heavy metals, GMOs, and gluten,” but I did not find a product-specific COA, lab report, or certifying-body registry entry for Fullnesium Complex.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:43:55
Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
15/20
Dose transparency
13/15
Manufacturer transparency
5/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
7Solgar Magnesium CitrateSolgar120 tabletsCitrate400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.22per day£12.99 per packBuy Nowon AmazonTesting 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
2026-09-14 17:28:22
Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
20/25
Value
14/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
8Viridian High Potency MagnesiumViridian30 capsulesBisglycinateOxideCitrate300 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)£0.39per day£11.55 per packBuy Nowon AmazonTesting evidence
Evidence status
No public evidence located
Manufacturer statement
Viridian’s own site says the product has "130 purity checks" and the product page says "I Trust Viridian Supplements because I see what goes into them - 130 purity checks, no junk, and formulas rooted in real research"; the brand also says "Our 130 Point Promise" includes a "Purity" checklist and that a reference sample of every batch is kept for its complete shelf life.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:34:26
Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
23/25
Value
11/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
9Pure Encapsulations Magnesium CitratePure Encapsulations90 capsulesCitrate150 mgBelow recommended rangeRecommended: 270–300 mg/day (NHS)£0.25per day£22.35 per packBuy Nowon AmazonTesting 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
2026-09-14 17:52:29
Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
20/25
Value
11/20
Dose transparency
7/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
#1

WeightWorld Magnesium 4-in-1

WeightWorld

Why this score?
Testing & evidence
17/20
Ingredient/formulation quality
24/25
Value
18/20
Dose transparency
15/15
Manufacturer transparency
9/10
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.
Daily dose
400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Manufacturer COA
Manufacturer statement
WeightWorld product page says the supplement is "Third-Party Tested" and the page includes a PDF titled "WEIGHTWORLD_MAGNESIUM_GLYCINATE_1422_mg_180_CAPSULES_-_BATCH_CODE_0429825-TCC.pdf". The PDF itself is a "TESTING COMPLIANCE CERTIFICATE" for "WEIGHTWORLD MAGNESIUM GLYCINATE 1422 mg 180 CAPSULES - BATCH CODE: 0429825" and reports microbiology and contaminant testing plus magnesium/vitamin B6 tolerance checks.
Laboratory
Not recorded
Certification body
Not recorded
Batch
0429825
Batch-specific report
Recorded
Report date
Not recorded
Evidence checked
2026-09-14 17:44:37
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
180 capsules

Full ingredients and formulation →

£0.15per day£13.49 per pack
View AnalysisBuy Now on Amazon
#2

New Leaf Magnesium 4-in-1

New Leaf Products

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
15/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
381 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer site says: "Formulated and Tested with Expertise" and "our products undergo rigorous testing for heavy metals and unwanted compounds during production" on the Ingredients & Quality page.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:20:38
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
120 capsules

Full ingredients and formulation →

£0.20per day£11.95 per pack
View AnalysisBuy Now on Amazon
#3

VitaBright Magnesium Citrate

VitaBright

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
20/25
Value
19/20
Dose transparency
13/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Active form
OxideCitratebuffered
Daily dose
444 mgAbove recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
VitaBright says: "All our supplements undergo rigorous quality testing. We normally have every batch tested by an independent laboratory which issues third-party certification."
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:32:08
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
240 capsules

Full ingredients and formulation →

£0.13per day£15.87 per pack
View AnalysisBuy Now on Amazon
#4

Nutrition Geeks Magnesium 3-in-1

Nutrition Geeks

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
13/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
384 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Manufacturer product page states: "Third-party tested" and "JUN 2026 1 active ingredient tested for quality" for Magnesium Glycinate 3-in-1.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:21:32
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
90 capsules

Full ingredients and formulation →

£0.22per day£9.99 per pack
View AnalysisBuy Now on Amazon
#5

Nu U Nutrition Magnesium Citrate 200 mg

Nu U Nutrition

Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
20/25
Value
17/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Active form
Citratebuffered
Daily dose
200 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
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
2026-09-14 17:31:19
Formulation & serving details
Format
Tablet
Serving
1 tablet
Servings/day
1
Pack size
180 tablets

Full ingredients and formulation →

£0.08per day£14.97 per pack
View AnalysisBuy Now on Amazon
#6

AAVALABS Fullnesium Complex

AAVALABS

Why this score?
Testing & evidence
9/20
Ingredient/formulation quality
23/25
Value
15/20
Dose transparency
13/15
Manufacturer transparency
5/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
425 mgAbove recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
AAVALABS’ own FAQ and brand article say the company’s products are subjected to “thorough independent third-party laboratories to ensure purity, including checks for heavy metals, GMOs, and gluten,” but I did not find a product-specific COA, lab report, or certifying-body registry entry for Fullnesium Complex.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:43:55
Formulation & serving details
Format
Capsule
Serving
2 capsules
Servings/day
1
Pack size
180 capsules

Full ingredients and formulation →

£0.22per day£19.60 per pack
View AnalysisBuy Now on Amazon
#7

Solgar Magnesium Citrate

Solgar

Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
20/25
Value
14/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Active form
Citrate
Daily dose
400 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
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
2026-09-14 17:28:22
Formulation & serving details
Format
Tablet
Serving
2 tablets
Servings/day
1
Pack size
120 tablets

Full ingredients and formulation →

£0.22per day£12.99 per pack
View AnalysisBuy Now on Amazon
#8

Viridian High Potency Magnesium

Viridian

Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
23/25
Value
11/20
Dose transparency
15/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Daily dose
300 mgWithin recommended rangeRecommended: 270–300 mg/day (NHS)
Testing evidence
Evidence status
No public evidence located
Manufacturer statement
Viridian’s own site says the product has "130 purity checks" and the product page says "I Trust Viridian Supplements because I see what goes into them - 130 purity checks, no junk, and formulas rooted in real research"; the brand also says "Our 130 Point Promise" includes a "Purity" checklist and that a reference sample of every batch is kept for its complete shelf life.
Laboratory
Not recorded
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-14 17:34:26
Formulation & serving details
Format
Capsule
Serving
1 capsule
Servings/day
1
Pack size
30 capsules

Full ingredients and formulation →

£0.39per day£11.55 per pack
View AnalysisBuy Now on Amazon
#9

Pure Encapsulations Magnesium Citrate

Pure Encapsulations

Why this score?
Testing & evidence
4/20
Ingredient/formulation quality
20/25
Value
11/20
Dose transparency
7/15
Manufacturer transparency
9/10
Label/ingredient transparency
7/10
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Active form
Citrate
Daily dose
150 mgBelow recommended rangeRecommended: 270–300 mg/day (NHS)
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
2026-09-14 17:52:29
Formulation & serving details
Format
Capsule
Serving
1 capsule
Servings/day
1
Pack size
90 capsules

Full ingredients and formulation →

£0.25per day£22.35 per pack
View AnalysisBuy Now on Amazon

One-time purchase prices; delivery and conditional discounts excluded. Daily cost uses the recorded label serving. Comparison amounts are not personal dose recommendations. Unknown Prime eligibility is not treated as confirmed.

Understand this magnesium form

This subset includes products containing the named form, including labelled blends. Use the Magnesium forms and evidence guide for explanations, dose guidance, safety and sources.

Testing evidence in this comparison

A testing claim is not the same as a verified report. No public evidence located does not mean a product has not been tested.

Testing review pending0
Recognised certification0
Verified independent evidence0
Manufacturer COA1
Testing claimed4
No public evidence located4

What does magnesium citrate cost?

Current UK comparison set, based on the daily serving shown on each label.

£0.08Lowest daily cost
£0.22Median daily cost
£0.39Highest daily cost

Sources & methodology

Detailed educational content and source review are in progress for this category.

Read our methodology and how we verify testing.

Page updated10 Sep 2026
Editorial reviewPending editorial approval
Product evidenceSee individual records