Pg
PerGram/gSupplement Prices
PerGram/g
Browse AllCompare ProductsHow It Works

Affiliate Disclosure: PerGram earns commissions from qualifying purchases through affiliate links. This does not affect our rankings, which are based solely on normalized price-per-gram data. Learn more

PgPerGram/g

Compare supplement prices normalized to cost per gram of active ingredient. No health claims — just transparent pricing data.

Popular Categories

  • Magnesium
  • Creatine
  • Omega-3
  • Vitamin D
  • Ashwagandha
  • Zinc
  • Probiotics

Resources

  • Browse All Supplements
  • Compare Products
  • How PerGram Works
  • Why Price Per Gram
  • Our Methodology

Legal

PerGram is a participant in the Amazon Services LLC Associates Program, iHerb, and ShareASale affiliate networks. As an Amazon Associate, we earn from qualifying purchases.

Prices are sourced from retailer websites and updated regularly. Actual prices may vary. PerGram does not make health or efficacy claims about any supplement.

© 2026 PerGram. All rights reserved.
Privacy-friendly analytics — no cookies·Prices for informational purposes only

Search Supplements

18 products found

Form:All forms18Powder1Capsule11Tablet4Softgel1Liquid1
Package Size:All sizes16< 60360–1209120–2504

Filters

Clear all

Supplement Type

Alpha GPCAshwagandhaB ComplexCalciumCollagenCoQ10CreatineImmune SupportInositolL-TheanineLion's ManeMagnesiumNadNmnNootropicsNrOmega-3ProbioticsProteinPterostilbeneResveratrolSpermidineSuperfoodsVitamin CVitamin DZinc

Retailer

AmazonBulkSupplementsiHerbSwanson Vitamins

Brand

21st CenturyABEALLMAXAdvanced ClinicalsAgeless Foundation Laboratories

Form

capsulecapsulesgummyliquidlozengepowdersoftgeltablet

Availability

In Stock Only
Sort by:
Page 1 of 1
Save 99%
Best Deal
#1
ProHealth Longevity NR Pro Powder 1000 Tropical Fruit, 5 oz
$2.00per gram
$59.95 / bag
ProHealth Longevity NR Pro Powder 1000 Tropical Fruit, 5 oz
ProHealthiHerbNew
Per Serving$2.00
Servings30
Formpowder
Updated today
iBuyAffiliate link
Save 99%
Best Deal
#2
ProHealth Longevity Nicotinamide Riboside Pro 1000, 90 Capsules
$2.00per gram
$59.95 / bottle
ProHealth Longevity Nicotinamide Riboside Pro 1000, 90 Capsules
ProHealthiHerb
Per Serving$2.00
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#3
ProHealth Longevity Nicotinamide Riboside Pro 300 Capsules, 30 Count
$2.77per gram
$24.95 / bottle
ProHealth Longevity Nicotinamide Riboside Pro 300 Capsules, 30 Count
ProHealthiHerb
Per Serving$0.83
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#4
ProHealth Longevity Nicotinamide Riboside Pro 500, 60 Capsules
$2.80per gram
$41.95 / bottle
ProHealth Longevity Nicotinamide Riboside Pro 500, 60 Capsules
ProHealthiHerb
Per Serving$1.40
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#5
Thorne NiaCel 400 Nicotinamide Riboside Capsules, 60 Count
$2.97per gram
$74.00 / bottle
Thorne NiaCel 400 Nicotinamide Riboside Capsules, 60 Count
ThorneiHerb
Per Serving$1.23
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#6
ProHealth Longevity NMNR Pro Synergy Capsules, 90 Count
$3.20per gram
$47.95 / bottle
ProHealth Longevity NMNR Pro Synergy Capsules, 90 Count
ProHealthiHerb
Per Serving$1.60
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#7
Thorne Collagen Fit, 17.8 oz
$0.01per mg
$56.00 / bottle
Thorne Collagen Fit, 17.8 oz
ThorneiHerb
Per Serving$1.87
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 94%
#8
Source Naturals Ultra-Mag, 240 Tabs
$0.31per gram
$15.39 / bottle
Source Naturals Ultra-Mag, 240 Tabs
Source NaturalsSwanson Vitamins4 options · 2 retailers
Per Serving$0.13
ServingsN/A
Formtablet
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson VitaminsSource Naturals Ultra-Mag, 240 Tabs
$15.39Buy
i
iHerbSource Naturals Ultra-Mag, 240 Count
$27.99Buy
i
Source Naturals Ultra-Mag, 120 Tablets
$14.69Buy
+1 more...
Save 93%
#9
NOW Foods Magnesium Malate 1000 mg, 180 Tablets
$0.34per gram
$15.10 / bottle
NOW Foods Magnesium Malate 1000 mg, 180 Tablets
NOW FoodsAmazon2 options · 2 retailers
Per Serving$0.08
Servings180
Formtablet
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon180 ctNOW Foods Magnesium Malate 1000 mg, 180 Tablets
$15.10Buy
i
iHerbNOW Foods Magnesium Malate, 1,000 mg, 180 Tablets
$15.91Buy
Save 88%
#10
NOW Foods Magnesium Citrate, 100 Tablets
$0.61per gram
$12.24 / bottle
NOW Foods Magnesium Citrate, 100 Tablets
NOW FoodsiHerb2 options
Per Serving$0.24
ServingsN/A
Formtablet
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbNOW Foods Magnesium Citrate, 100 Tablets
$12.24Buy
i
NOW Foods Magnesium Citrate, 90 Count
$12.24Buy
Save 88%
#11
Source Naturals Ultra-Mag, 180 Vegan Capsules
$0.64per gram
$16.09 / bottle
Source Naturals Ultra-Mag, 180 Vegan Capsules
Source NaturalsiHerb2 options · 2 retailers
Per Serving$0.27
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbSource Naturals Ultra-Mag, 180 Vegan Capsules
$16.09Buy
Amazon30 ctSource Naturals Ultra-Mag Magnesium Vegan Capsules, 90 Count
$11.97Buy
Save 87%
#12
NOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
$0.64per gram
$11.60 / bottle
NOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
NOW FoodsAmazon2 options · 2 retailers
Per Serving$0.26
Servings45
Formsoftgel
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon45 ctNOW Foods Magnesium Citrate with Glycinate & Malate Softgels, 90 Count
$11.60Buy
i
iHerbNOW Foods Magnesium Citrate Softgels, 180 Count
$22.04Buy
Save 81%
#13
KAL Magnesium Malate 400, 90 Tablets
$0.97per gram
$17.39 / bottle
KAL Magnesium Malate 400, 90 Tablets
KALiHerbNew
Per Serving$0.39
Servings45
Formtablet
Updated today
iBuyAffiliate link
Save 76%
#14
California Gold Nutrition Triple Magnesium Complex Capsules, 120 Count
$1.23per gram
$15.51 / bottle
California Gold Nutrition Triple Magnesium Complex Capsules, 120 Count
California Gold NutritioniHerbNew
Per Serving$0.26
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Save 68%
#15
Seeking Health Optimal Magnesium 150mg, 90 Vegetarian Capsules
$1.63per gram
$22.00 / bottle
Seeking Health Optimal Magnesium 150mg, 90 Vegetarian Capsules
Seeking HealthiHerbNew
Per Serving$0.24
Servings90
Formcapsule
Updated today
iBuyAffiliate link
Save 28%
#16
MegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
$3.73per gram
$13.99 / bottle
MegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
MegaFoodiHerb2 options · 2 retailers
Per Serving$0.93
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerbMegaFood Relax + Calm Magnesium Soft Chews, Grape, 30 Count
$13.99Buy
Amazon15 ctMegaFood Relax + Calm Magnesium Complex Soft Chews, 30 Count
$13.99Buy
Save 9%
#17
California Gold Nutrition Triple Magnesium Complex, 70 mg, 90 Veggie Capsules
$4.71per gram
$29.69 / bottle
California Gold Nutrition Triple Magnesium Complex, 70 mg, 90 Veggie Capsules
California Gold NutritioniHerbNew
Per Serving$0.99
Servings30
Formcapsule
Updated today
iBuyAffiliate link
#18
Nature's Answer Liquid Magnesium Malate and Glycinate, 16 fl oz
$5.15per gram
$16.49 / bottle
Nature's Answer Liquid Magnesium Malate and Glycinate, 16 fl oz
Nature's AnsweriHerbNew2 options · 2 retailers
Per Serving$1.03
Servings16
Formliquid
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb16 ctNature's Answer Liquid Magnesium Malate and Glycinate, 16 fl oz
$16.49Buy
AmazonNature's Answer Liquid Magnesium Malate and Glycinate, 16oz
Buy

Get Price Alerts

Be the first to know when supplement prices drop.