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

356 products found

Form:All forms356Capsule354Softgel1Powder1
Package Size:All sizes329< 603860–120162120–250102250+27

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:
‹ PrevPage 14 of 18Next ›
Save 99%
#261
Egg Shell Membrane Collagen Capsules
$0.43per gram
$25.97 / bottle
Egg Shell Membrane Collagen Capsules
BulkSupplementsBulkSupplements
Per Serving$0.22
Servings120
Formcapsule
Updated today
BBuyAffiliate link
Save 99%
#262
NOW Foods Magnesium Citrate 200 mg, 250 Tabs
$0.45per gram
$44.95 / bottle
NOW Foods Magnesium Citrate 200 mg, 250 Tabs
NOW FoodsAmazon2 options
Per Serving$0.18
Servings250
Formcapsule
Updated today
BuyAffiliate link

All options (sorted by value):

Amazon250 ctNOW Foods Magnesium Citrate 200 mg, 250 Tabs
$44.95Buy
NOW Foods Magnesium Citrate 200 mg, 100 Tablets
Buy
Save 99%
#263
BioCell Hydrolyzed Type II Collagen
$0.45per gram
$26.99 / bottle
BioCell Hydrolyzed Type II Collagen
NOW FoodsSwanson Vitamins
Per Serving$0.45
Servings60
Formcapsule
Updated today
SBuyAffiliate link
Save 99%
#264
Swanson The Complete Multi Collagen Types I, II, III, V, X
$0.46per gram
$21.99 / bottle
Swanson The Complete Multi Collagen Types I, II, III, V, X
ZintSwanson Vitamins
Per Serving$0.73
Servings30
Formcapsule
Updated today
SBuyAffiliate link
Save 99%
#265
NOW Foods Magnesium Citrate, 240 Veg Capsules
$0.46per gram
$16.42 / bottle
NOW Foods Magnesium Citrate, 240 Veg Capsules
NOW FoodsAmazon
Per Serving$0.18
Servings120
Formcapsule
Updated today
BuyAffiliate link
Save 99%
#266
Swanson BioCell Collagen Type II
$0.46per gram
$27.79 / bottle
Swanson BioCell Collagen Type II
SwansonSwanson Vitamins
Per Serving$0.46
Servings60
Formcapsule
Updated today
SBuyAffiliate link
Save 99%
#267
Nutricost L-Theanine 200 mg, 120 Capsules
$0.50per gram
$11.95 / bottle
Nutricost L-Theanine 200 mg, 120 Capsules
NutricostiHerbNew2 options
Per Serving$0.10
Servings120
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb120 ctNutricost L-Theanine 200 mg, 120 Capsules
$11.95Buy
i
30 ctNutricost L-Theanine 200mg, 30 Count
$19.95Buy
Save 99%
#268
Swanson Ashwagandha
$0.51per gram
$36.89 / bottle
Swanson Ashwagandha
Organic IndiaSwanson Vitamins3 options
Per Serving$0.41
Servings90
Formcapsule
Updated today
SBuyAffiliate link

All options (sorted by value):

S
Swanson Vitamins90 ctSwanson Ashwagandha
$36.89Buy
S
45 ctSwanson Ashwagandha
$24.29Buy
S
30 ctSwanson Ashwagandha
$21.49Buy
Save 99%
#269
Primaforce L-Theanine 200mg, 120 Capsules
$0.52per gram
$12.50 / bottle
Primaforce L-Theanine 200mg, 120 Capsules
PrimaforceiHerbNew
Per Serving$0.10
Servings120
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#270
Terra Origin Healthy Gut Berry, 8.57 oz
$0.56per mg
$35.99 / bottle
Terra Origin Healthy Gut Berry, 8.57 oz
Terra OriginiHerb
Per Serving$1.20
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 99%
#271
Life Extension Potassium with Extend-Release Magnesium, 60 Capsules
$0.56per gram
$6.75 / bottle
Life Extension Potassium with Extend-Release Magnesium, 60 Capsules
Life ExtensionAmazon
Per Serving$0.11
Servings60
Formcapsule
Updated today
BuyAffiliate link
Save 99%
#272
Force Factor L-Theanine Extra Strength 200mg, 60 Vegetarian Capsules
$0.58per gram
$6.99 / bottle
Force Factor L-Theanine Extra Strength 200mg, 60 Vegetarian Capsules
Force FactoriHerbNew2 options
Per Serving$0.12
Servings60
Formcapsule
Updated today
iBuyAffiliate link

All options (sorted by value):

i
iHerb60 ctForce Factor L-Theanine Extra Strength 200mg, 60 Vegetarian Capsules
$6.99Buy
i
60 ctForce Factor Magnesium + L-Theanine Vegetable Capsules, 120 Count
$19.97Buy
Save 99%
#273
Swanson Ashwagandha with KSM-66
$0.59per gram
$17.60 / bottle
Swanson Ashwagandha with KSM-66
YoutheorySwanson Vitamins
Per Serving$0.59
Servings30
Formcapsule
Updated today
SBuyAffiliate link
Save 98%
#274
Organika L-Theanine 225 mg, 90 Vegetarian Capsules
$0.64per gram
$12.99 / bottle
Organika L-Theanine 225 mg, 90 Vegetarian Capsules
OrganikaiHerbNew
Per Serving$0.14
Servings90
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#275
Natural Factors Magnesium Citrate 150 mg, 180 Capsules
$0.65per gram
$17.47 / bottle
Natural Factors Magnesium Citrate 150 mg, 180 Capsules
Natural FactorsAmazon
Per Serving$0.10
Servings180
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#276
EVLution Nutrition Alpha GPC, 60 Veg Capsules
$0.66per gram
$11.93 / bottle
EVLution Nutrition Alpha GPC, 60 Veg Capsules
EVLutioniHerbNew
Per Serving$0.40
Servings30
Formcapsule
Updated today
iBuyAffiliate link
Save 98%
#277
NOW Foods Magnesium Malate Capsules, 180 Count
$0.68per gram
$14.69 / bottle
NOW Foods Magnesium Malate Capsules, 180 Count
NOW FoodsAmazon
Per Serving$0.08
Servings180
Formcapsule
Updated today
BuyAffiliate link
Save 99%
#278
Real Mushrooms Lion's Mane Pet Mushroom Supplement Capsules, 120 Count
$0.69per gram
$24.95 / bottle
Real Mushrooms Lion's Mane Pet Mushroom Supplement Capsules, 120 Count
Real MushroomsAmazon
Per Serving$0.21
Servings120
Formcapsule
Updated today
BuyAffiliate link
Save 98%
#279
Magnesium Citrate Capsules
$0.69per gram
$24.97 / bottle
Magnesium Citrate Capsules
BulkSupplementsBulkSupplements2 options · 2 retailers
Per Serving$0.28
Servings90
Formcapsule
Updated today
BBuyAffiliate link

All options (sorted by value):

B
BulkSupplements90 ctMagnesium Citrate Capsules
$24.97Buy
Amazon90 ctBulkSupplements Magnesium Citrate Capsules, 360 Count
$24.97Buy
Save 98%
#280
NutraLife L-Theanine 200 mg, 60 Capsules
$0.71per gram
$8.54 / bottle
NutraLife L-Theanine 200 mg, 60 Capsules
NutraLifeiHerbNew
Per Serving$0.14
Servings60
Formcapsule
Updated today
iBuyAffiliate link
Previous
1213141516
Next

Get Price Alerts

Be the first to know when supplement prices drop.