Best magnesium citrate 2026, ranked by price per 100 mg of magnesium: Best Naturals Magnesium Citrate 200 mg is lowest at $0.0344 of 12 offers
Same-salt price ranking · prices checked 2026-11-02
Cheapest by declared elemental magnesium is Best Naturals Magnesium Citrate 200 mg: 400 mg of elemental magnesium per serving × 125 servings, offer B0BJFM3M4Z, confirmed match observed 2026-11-02, at $0.0344 per 100 mg among 12 ranked citrate offers. Median $0.1159; spread ×9.0. 3 on review; 118 of 135 labels unmatched as of 2026-11-02.
computed from dated offers
Chart data
| Displayed chart text |
|---|
| Best Naturals |
| $0.0344 |
| Solgar |
| $0.0607 |
| LES Labs |
| $0.0777 |
| Bluebonnet |
| $0.0865 |
| Solaray |
| $0.0868 |
| NutriCology |
| $0.1039 |
| Divine Bounty |
| $0.1278 |
| Douglas Laboratories |
| $0.1407 |
| Nature Made |
| $0.1452 |
| Pure Encapsulations |
| $0.1519 |
| Lifeable |
| $0.2665 |
| XYMOGEN |
| $0.3083 |
| median $0.1159 |
Data release 2026-08-10-f441aa9f · registry snapshot 2026-08-10 · latest price observation 2026-11-02 · chemistry 2026-10-17
Recompute with your price
Replace the observed container price with yours to calculate the declared elemental cost per 100 mg.
Same-salt comparison appears here.
Which citrate label is cheapest by declared elemental magnesium per 100 mg, and by how much?
Best Naturals Magnesium Citrate 200 mg is cheapest by declared elemental magnesium at $0.0344 per 100 mg among 12 ranked offers, against the same-salt median $0.1159. Prices observed 2026-10-26 to 2026-11-02. Every table row represents one ASIN and observation date; linked label versions share one rank. The physical form and capsule verdict are shown beside each offer.
computed12 unique ranked offers support a median and an interquartile band within citrate.
| Rank | Brand | Product | Mg × servings | Offer, price, date | USD / 100 mg | Mg / $1 | Match | Form | Capsule verdict | DSLD id | Retailer |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Best Naturals | Magnesium Citrate 200 mg (1 offer) | 400 mg × 125 servings | B0BJFM3M4Z; $17.21; 2026-11-02; $4.13 a month | $0.0344 | 2,907 mg | confirmed | Tablet or Pill | not-applicable | 269854 | Check current price at Amazon |
| 2 | Solgar | Magnesium Citrate (1 offer · 3 label versions) | 420 mg × 60 servings | B012T97SDQ; $15.29; 2026-11-02; $7.64 a month | $0.0607 | 1,647 mg | verified | Tablet or Pill | not-applicable | 219453 | Check current price at Amazon |
| 3 | LES Labs | Magnesium Citrate (1 offer) | 225 mg × 120 servings | B06WJ56QTM; $20.99; 2026-11-02; $5.25 a month | $0.0777 | 1,287 mg | confirmed | Capsule | not applicable | 320259 | Check current price at Amazon |
| 4 | Bluebonnet | Magnesium Citrate (1 offer) | 400 mg × 60 servings | B000I48Q22; $20.76; 2026-11-02; $10.38 a month | $0.0865 | 1,156 mg | confirmed | Other (e.g. tea bag) | not-applicable | 332573 | Check current price at Amazon |
| 5 | Solaray | Magnesium Citrate 400 mg (1 offer) | 400 mg × 60 servings | B07988Q85C; $20.84; 2026-11-02; $10.42 a month | $0.0868 | 1,152 mg | confirmed | Capsule | needs-000 | 338474 | Check current price at Amazon |
| 6 | NutriCology | Magnesium Citrate (1 offer) | 170 mg × 180 servings | B008BSRM0Y; $31.79; 2026-11-02; $5.30 a month | $0.1039 | 962 mg | confirmed | Capsule | needs-000 | 235550 | Check current price at Amazon |
| 7 | Divine Bounty | Magnesium Citrate (1 offer) | 208 mg × 60 servings | B01LYWPNY6; $15.95; 2026-11-02; $7.97 a month | $0.1278 | 782 mg | confirmed | Capsule | needs-00 | 229221 | Check current price at Amazon |
| 8 | Douglas Laboratories | Magnesium Citrate (1 offer) | 150 mg × 90 servings | B07YMLZVLL; $19.00; 2026-11-02; $6.33 a month | $0.1407 | 711 mg | confirmed | Capsule | needs-000 | 232777 | Check current price at Amazon |
| 9 | Nature Made | Magnesium Citrate (1 offer · 2 label versions) | 250 mg × 30 servings | B00CBXSSCQ; $10.89; 2026-11-02; $10.89 a month | $0.1452 | 689 mg | verified | Softgel Capsule | not-applicable | 179947 | Check current price at Amazon |
| 10 | Pure Encapsulations | Magnesium (Citrate) (1 offer) | 150 mg × 90 servings | B0058HWV70; $20.50; 2026-11-02; $6.83 a month | $0.1519 | 658 mg | verified | Capsule | fits-0 | 201495 | Check current price at Amazon |
2 additional rows
| Rank | Brand | Product | Mg × servings | Offer, price, date | USD / 100 mg | Mg / $1 | Match | Form | Capsule verdict | DSLD id | Retailer |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 11 | Lifeable | Magnesium Citrate Fruit Flavor (1 offer) | 250 mg × 30 servings | B09G3JDSPM; $19.99; 2026-11-02; $19.99 a month | $0.2665 | 375 mg | confirmed | Gummy or Jelly | not-applicable | 313371 | Check current price at Amazon |
| 12 | XYMOGEN | Magnesium Citrate (1 offer · 3 label versions) | 100 mg × 120 servings | B003PQU8SK; $36.99; 2026-11-02; $9.25 a month | $0.3083 | 324 mg | confirmed | Capsule | needs-00 | 6139 | Check current price at Amazon |
Source · Amazon via licensed data provider; NIH DSLD · Unique ASIN × date; 12 ranked unique citrate offers, prices observed 2026-10-26 to 2026-11-02 · release 2026-08-10-f441aa9f · CSV · method
Where does each citrate offer sit against the same-salt median?
Among 12 ranked citrate offers, the median is $0.1159 per 100 mg, against $0.0344 for the lowest priced offer by declared elemental magnesium. The P25–P75 band spans $0.0843 to $0.1469; n=12. Prices observed 2026-10-26 to 2026-11-02. Each point is one unique offer.
computed
Chart data
| Displayed chart text |
|---|
| n=12 |
| P25 $0.0843 |
| P75 $0.1469 |
| median $0.1159 |
| Statistic | USD per 100 mg |
|---|---|
| Lowest | $0.0344 |
| P25 | $0.0843 |
| Median | $0.1159 |
| P75 | $0.1469 |
| Highest | $0.3083 |
Source · Ranked unique retail offers · R7 quantiles; 12 ranked unique citrate offers, prices observed 2026-10-26 to 2026-11-02 · release 2026-08-10-f441aa9f · CSV · method
What would 30 days of citrate cost at the label serving and at the Daily Value reference?
For the lowest priced ranked citrate offer by declared elemental magnesium, 30 days cost $4.13 at the label's own serving, against $4.33 at the 420 mg Daily Value reference in 21 CFR 101.9. These are computed from the observed price and declared elemental amount, prices observed 2026-10-26 to 2026-11-02; arithmetic on the label, not intake advice.
computed with assumption
Chart data
| Displayed chart text |
|---|
| Best Naturals |
| $4.13 · $4.33 |
| Solgar |
| $7.64 · $7.65 |
| LES Labs |
| $5.25 · $9.79 |
| Bluebonnet |
| $10.38 · $10.90 |
| Solaray |
| $10.42 · $10.94 |
| Offer | At label serving, 30 days | At 420 mg DV, 30 days |
|---|---|---|
| Best Naturals Magnesium Citrate 200 mg | $4.13 | $4.33 |
| Solgar Magnesium Citrate | $7.64 | $7.65 |
| LES Labs Magnesium Citrate | $5.25 | $9.79 |
| Bluebonnet Magnesium Citrate | $10.38 | $10.90 |
| Solaray Magnesium Citrate 400 mg | $10.42 | $10.94 |
| NutriCology Magnesium Citrate | $5.30 | $13.09 |
| Divine Bounty Magnesium Citrate | $7.97 | $16.10 |
| Douglas Laboratories Magnesium Citrate | $6.33 | $17.73 |
4 additional rows
| Offer | At label serving, 30 days | At 420 mg DV, 30 days |
|---|---|---|
| Nature Made Magnesium Citrate | $10.89 | $18.30 |
| Pure Encapsulations Magnesium (Citrate) | $6.83 | $19.14 |
| Lifeable Magnesium Citrate Fruit Flavor | $19.99 | $33.58 |
| XYMOGEN Magnesium Citrate | $9.25 | $38.85 |
Arithmetic on the label, not intake advice.
Source · Observed price; NIH DSLD serving · 30 days; 420 mg DV reference, 21 CFR 101.9; 2026-11-02 · release 2026-08-10-f441aa9f · CSV · method
Which citrate prices are on review, and why are they outside the ranking?
3 unique citrate price observations are on review as of 2026-11-02, against 12 ranked offers. The table shows each observed container price and the match reason. A provisional observation has no computed price per 100 mg here because its pack or dose has not passed the label match checks.
measured3 price observations for citrate remain on review with reasons shown below.
| Label | Observed container price | Review reason | Status |
|---|---|---|---|
| GNC Magnesium Powder Lemon | $22.99 observed 2026-11-02 | Awaiting pack or dose review | likely |
| Nature's Sunshine Magnesium Complex | $19.95 observed 2026-10-26 | Awaiting pack or dose review | likely |
| BulkSupplements.com Magnesium Citrate 3500 mg Capsules | $20.96 observed 2026-10-12 | pack size differs: the offer lists 4 or 360 units, the label 180; units per serving are not stated in discrete units | provisional |
Source · Amazon via licensed data provider · Match classifier; 2026-11-02 · release 2026-08-10-f441aa9f · CSV · method
How many citrate labels have no matched US price?
118 of 135 labels with recognized citrate have no published US retail price match as of 2026-11-02, against 12 unique ranked offers and 3 on review. The rows below are individual NIH DSLD records, not missing values inferred from a price series. Open a label to check its filed serving and form.
measured12 ranked offers, 3 on review and 118 unmatched of 135 recognized citrate labels.
| Label | Filed elemental mg | DSLD id |
|---|---|---|
| Adaptogen Research Magnesium Citrate | 150 mg | 247099 |
| Allergy Research Group Magnesium Citrate | 170 mg | 233067 |
| Allergy Research Group Magnesium Citrate | 170 mg | 233300 |
| AN Amazing Nutrition Amazing Formulas Magnesium Citrate 200 mg | 200 mg | 251825 |
| AN Amazing Nutrition Amazing Formulas Magnesium Citrate 200 mg | 200 mg | 256078 |
| AN Amazing Nutrition Amazing Formulas Magnesium Citrate 250 mg | 250 mg | 251815 |
| AN Amazing Nutrition Amazing Formulas Magnesium Citrate 400 mg | 400 mg | 256083 |
| Best Naturals Magnesium Citrate Pure Powder | 210 mg | 270660 |
Source · NIH DSLD; published price matches · Recognized salt labels; prices observed 2026-10-26 to 2026-11-02 · release 2026-08-10-f441aa9f · CSV · method
Does the lowest priced citrate label fit in its filed capsule?
The lowest priced citrate offer by declared elemental magnesium is $0.0344 per 100 mg, against a size 000 capsule capacity of 1,100 mg at powder density 0.8 g/mL, the top of the usual 0.6–0.8 range. Its filed label's mass balance verdict is not-applicable. Capsule arithmetic applies only when the label names a capsule and a defined salt, prices observed 2026-10-26 to 2026-11-02.
computed with assumption| Offer | Physical form | Capsule verdict | DSLD id |
|---|---|---|---|
| Best Naturals Magnesium Citrate 200 mg | Tablet or Pill | not-applicable | 269854 |
| Solgar Magnesium Citrate | Tablet or Pill | not-applicable | 219453 |
| LES Labs Magnesium Citrate | Capsule | not applicable | 320259 |
| Bluebonnet Magnesium Citrate | Other (e.g. tea bag) | not-applicable | 332573 |
| Solaray Magnesium Citrate 400 mg | Capsule | needs-000 | 338474 |
Source · NIH DSLD; salt mass budget · Powder density 0.8 g/mL (top of 0.6–0.8); 2026-08-10 · release 2026-08-10-f441aa9f · CSV · method
How is each price observed and matched to a label?
12 unique citrate offers passed brand, salt, form, elemental amount and pack checks, against 3 on review as of 2026-11-02. Retail observations come from Amazon via a licensed data provider; one ASIN and observation date count once. The public method lists the fields that must agree before an offer receives a rank.
computed| Layer | Method and date |
|---|---|
| Labels | NIH DSLD snapshot 2026-08-10 |
| Offers | Amazon via licensed data provider, prices observed 2026-10-26 to 2026-11-02 |
| Ranking | Confirmed or verified match, unique ASIN × date |
Source · NIH DSLD; Amazon via licensed data provider · Release 2026-08-10-f441aa9f · release 2026-08-10-f441aa9f · CSV · method