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Cheapest Magnesium from Plants on iHerb

Ranked by real cost per 10 mg of Magnesium from Plants — cheapest value first.

Prices updated Jul 25, 2026 · 7 products · Prices in USD

The priciest option here costs about 70.8× more per 10 mg of Magnesium from Plants than the best-value pick Triquetra Health. For the same daily dose, choosing by cost per unit instead of sticker price can meaningfully cut your yearly spend.
#ProductDoseServingsPrice (USD)Cost per 10 mg
1
Triquetra Health, Plant Magnesium, 60 Capsules
Triquetra Health, Plant Magnesium, 60 Capsules
Triquetra Health
250 mg3027.970.037View on iHerb →
2
NATURELO, Magnesium Glycinate Chelate Complex, 240 Vegetarian Capsules
NATURELO, Magnesium Glycinate Chelate Complex, 240 Vegetarian Capsules
NATURELO
30 mg24044.950.062View on iHerb →
3
NATURELO, Magnesium Glycinate Chelate Complex, 120 Vegetarian Capsules
NATURELO, Magnesium Glycinate Chelate Complex, 120 Vegetarian Capsules
NATURELO
30 mg12024.950.069View on iHerb →
4
Garden of Life, Raw Organic Fit, High Protein for Weight Loss, Vanilla, 2 lbs 0.8 oz (930 g)
Garden of Life, Raw Organic Fit, High Protein for Weight Loss, Vanilla, 2 lbs 0.8 oz (930 g)
Garden of Life
27 mg2046.190.855View on iHerb →
5
Garden of Life, RAW Organic Fit, High Protein for Weight Loss, Original, 1 lbs 15.39 oz (890 g)
Garden of Life, RAW Organic Fit, High Protein for Weight Loss, Original, 1 lbs 15.39 oz (890 g)
Garden of Life
27 mg2046.190.855View on iHerb →
6
Garden of Life, Raw Organic Fit, High Protein for Weight Loss, Chocolate, 2 lbs 0.09 oz (910 g)
Garden of Life, Raw Organic Fit, High Protein for Weight Loss, Chocolate, 2 lbs 0.09 oz (910 g)
Garden of Life
27 mg2046.190.855View on iHerb →
7
Vibrant Health, Maximum Vibrance®, Version 7, Chocolate Chunk, 23.2 oz (659 g)
Vibrant Health, Maximum Vibrance®, Version 7, Chocolate Chunk, 23.2 oz (659 g)
Vibrant Health
20 mg1579.202.64View on iHerb →

How we rank Magnesium from Plants

Two supplements can list the same dose per serving yet cost very differently once you account for how many servings are in the bottle. We calculate the total nutrient in each container (dose per serving × servings per container), divide the current price by that total, and rank by the resulting cost per unit. Lower is better. Because prices are refreshed automatically, this ranking reflects today's iHerb pricing rather than a snapshot from months ago.

Cost per unit is a starting point, not the whole story — the ideal form, third-party testing, and other ingredients matter too. Always check the label and consult a healthcare professional before starting a supplement.

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Prices update automatically and may differ from iHerb at checkout. Rankings are based on cost per unit of the listed nutrient and are for informational purposes only — not medical advice. Links to iHerb are affiliate links.