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

769 products found

Form:All forms769Powder94Capsule412Tablet65Softgel156Lozenge3Liquid24Gummy15
Package Size:All sizes605< 606360–120269120–250210250+63

Filters

Supplement Type

Alpha GPCAshwagandhaB ComplexCollagenCoQ10CreatineImmune SupportInositolL-TheanineLion's ManeMagnesiumNadNmnNootropicsNrOmega-3ProbioticsProteinPterostilbeneResveratrolSpermidineSuperfoodsVitamin CVitamin DZinc

Retailer

AmazonBulkSupplementsiHerbSwanson Vitamins

Brand

21st CenturyABEALLMAXAdvanced ClinicalsAgeless Foundation Laboratories

Form

capsulecapsulesgummyliquidlozengepowdersoftgeltablet

Availability

In Stock Only
Sort by:
‹ PrevPage 35 of 39Next ›
Save 97%
#681
Bluebonnet Nutrition Buffered Chelated Magnesium, 120 Veg Capsules
$1.36per gram
$32.76 / bottle
Bluebonnet Nutrition Buffered Chelated Magnesium, 120 Veg Capsules
BluebonnetiHerb
Per Serving$0.27
Servings120
Formcapsule
Updated today
iBuyAffiliate link
Save 96%
#682
NOW Foods L-Theanine 100 mg with Decaf Green Tea Veg Capsules, 90 Count
$1.41per gram
$12.70 / bottle
NOW Foods L-Theanine 100 mg with Decaf Green Tea Veg Capsules, 90 Count
NOW FoodsAmazon2 options
Per Serving$0.14
Servings90
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon90 ctNOW Foods L-Theanine 100 mg with Decaf Green Tea Veg Capsules, 90 Count
$12.70Buy
90 ctNOW Foods L-Theanine 100 mg with Decaf Green Tea Veg Capsules, 90 Count
$23.89Buy
Save 96%
#683
Swanson ULT Albion DIMAGNESIUM Malate 2.1 OZ
$1.43per gram
$17.19 / bottle
Swanson ULT Albion DIMAGNESIUM Malate 2.1 OZ
SwansonAmazon
Per Serving$0.57
Servings30
Formcapsule
Updated today
BuyAffiliate link
Save 96%
#684
NOW Foods Liquid D-3 & MK-7, 2,500 IU Vitamin D-3 & 100 mcg Vitamin K-2, 1-Ounce
$1.45per 1000 IU
$17.40 / bottle
NOW Foods Liquid D-3 & MK-7, 2,500 IU Vitamin D-3 & 100 mcg Vitamin K-2, 1-Ounce
NOW FoodsAmazon
Per Serving$0.58
Servings30
Formliquid
Updated today
BuyAffiliate link
Save 96%
#685
Sports Research L-Theanine 200mg with Organic Coconut Oil
$1.48per gram
$36.98 / bottle
Sports Research L-Theanine 200mg with Organic Coconut Oil
Sports ResearchAmazon
Per Serving$0.30
Servings120
Formsoftgel
Updated today
BuyAffiliate link
Save 96%
#686
Sports Research Alpha-GPC, 60 Liquid Veggie Capsules
$1.48per gram
$27.97 / bottle
Sports Research Alpha-GPC, 60 Liquid Veggie Capsules
Sports ResearchiHerb
Per Serving$0.93
Servings30
Formliquid
Updated today
iBuyAffiliate link
Save 96%
#687
Albion Magnesium Glycinate Powder
$1.48per gram
$17.79 / bag
Albion Magnesium Glycinate Powder
SwansonSwanson Vitamins
Per Serving$0.59
Servings30
Formpowder
Updated today
SBuyAffiliate link
Save 96%
#688
Nature's Truth Lion's Mane Supplement Capsules with BioPerine, 50 Count
$1.54per gram
$14.99 / bottle
Nature's Truth Lion's Mane Supplement Capsules with BioPerine, 50 Count
Nature's TruthAmazon
Per Serving$0.27
Servings50
Formgummy
Updated today
BuyAffiliate link
Save 96%
#689
California Gold Nutrition L-Theanine 100 mg, 60 Veg Capsules
$1.57per gram
$9.43 / bottle
California Gold Nutrition L-Theanine 100 mg, 60 Veg Capsules
California Gold NutritioniHerb
Per Serving$0.16
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 96%
#690
Nutricost Magnesium+ Extra-Strength, 60 Count
$1.58per gram
$19.95 / bottle
Nutricost Magnesium+ Extra-Strength, 60 Count
NutricostiHerb
Per Serving$0.67
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 96%
#691
Seeking Health Optimal Magnesium 150mg, 90 Vegetarian Capsules
$1.63per gram
$22.00 / bottle
Seeking Health Optimal Magnesium 150mg, 90 Vegetarian Capsules
Seeking HealthiHerb
Per Serving$0.24
Servings90
Formcapsule
Updated today
iBuyAffiliate link
Save 96%
#692
Sports Research Double Strength L-Theanine Softgels, 200mg, 60 Count
$1.66per gram
$19.95 / bottle
Sports Research Double Strength L-Theanine Softgels, 200mg, 60 Count
Sports ResearchAmazon
Per Serving$0.33
ServingsN/A
Formsoftgel
Updated today
BuyAffiliate link
Save 96%
#693
Force Factor Magnesium + L-Theanine Vegetable Capsules, 120 Count
$1.66per gram
$19.97 / bottle
Force Factor Magnesium + L-Theanine Vegetable Capsules, 120 Count
Force FactoriHerb
Per Serving$0.33
ServingsN/A
Formcapsule
Updated today
iBuyAffiliate link
Save 96%
#694
Codeage Keto Electrolytes Tablets, 180 Capsules
$1.71per gram
$34.99 / bag
Codeage Keto Electrolytes Tablets, 180 Capsules
CodeageAmazon
Per Serving$0.39
Servings90
Formpowder
Updated today
BuyAffiliate link
Save 96%
#695
Doctor's BEST High Absorption Magnesium Powder, Peach Flavored, 12.3 Ounce
$1.74per gram
$29.99 / bag
Doctor's BEST High Absorption Magnesium Powder, Peach Flavored, 12.3 Ounce
Doctor's BestAmazon
Per Serving$0.70
Servings43
Formpowder
Updated today
BuyAffiliate link
Save 96%
#696
BulkSupplements Magnesium D-Aspartate Powder, 500 Grams
$1.80per gram
$65.97 / bag
BulkSupplements Magnesium D-Aspartate Powder, 500 Grams
BulkSupplementsBulkSupplements3 options
Per Serving$0.09
Servings735
Formpowder
Updated today
BBuyAffiliate link

All options (sorted by value):

B
BulkSupplements735 ctBulkSupplements Magnesium D-Aspartate Powder, 500 Grams
$65.97Buy
B
368 ctBulkSupplements Magnesium D-Aspartate Powder
$62.97Buy
B
147 ctBulkSupplements Magnesium D-Aspartate Powder, 100 Grams
$32.97Buy
Save 95%
#697
Swanson Magnesium Gummies, Mixed Berry
$1.82per gram
$21.79 / bottle
Swanson Magnesium Gummies, Mixed Berry
SwansonSwanson Vitamins
Per Serving$0.36
Servings60
Formgummy
Updated today
SBuyAffiliate link
Save 95%
#698
Metabolic Maintenance Magnesium Glycinate Capsules, 180 Count
$1.89per gram
$42.50 / bag
Metabolic Maintenance Magnesium Glycinate Capsules, 180 Count
Metabolic MaintenanceAmazon
Per Serving$0.24
Servings180
Formpowder
Updated today
BuyAffiliate link
Save 95%
#699
Sports Research L-Theanine with Caffeine & Coconut MCT Oil Liquid Softgels, 60 Count
$1.91per gram
$22.95 / bottle
Sports Research L-Theanine with Caffeine & Coconut MCT Oil Liquid Softgels, 60 Count
Sports ResearchAmazon
Per Serving$0.38
Servings60
Formliquid
Updated today
BuyAffiliate link
Save 95%
#700
Swanson Suntheanine L-Theanine 200 mg, 60 Vegan Capsules
$1.92per gram
$23.09 / bottle
Swanson Suntheanine L-Theanine 200 mg, 60 Vegan Capsules
SwansoniHerb2 options
Per Serving$0.38
Servings60
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb60 ctSwanson Suntheanine L-Theanine 200 mg, 60 Vegan Capsules
$23.09Buy
i
60 ctSwanson Suntheanine L-Theanine 200 mg, 60 Capsules
$23.09Buy
Previous
3334353637
Next

Get Price Alerts

Be the first to know when supplement prices drop.