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Cheapest Vitamin K on iHerb

Ranked by real cost per 100 mcg of Vitamin K — cheapest value first.

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

The priciest option here costs about 15.3× more per 100 mcg of Vitamin K than the best-value pick Swanson. For the same daily dose, choosing by cost per unit instead of sticker price can meaningfully cut your yearly spend.
#ProductDoseServingsPrice (USD)Cost per 100 mcg
1
Swanson, AlfaPro® Alfalfa Protein Concentrate, 12 oz (340 g)
Swanson, AlfaPro® Alfalfa Protein Concentrate, 12 oz (340 g)
Swanson
850 mcg3424.190.084View on iHerb →
2
One-A-Day, For Him, VitaCraves®, Teen Multivitamin, 60 Gummies
One-A-Day, For Him, VitaCraves®, Teen Multivitamin, 60 Gummies
One-A-Day
75 mcg302.000.089View on iHerb →
3
Pines International, Green Duo Powder, 10 oz (283.5 g)
Pines International, Green Duo Powder, 10 oz (283.5 g)
Pines International
15 mcg812.000.165View on iHerb →
4
Amazing Nutrition, Daily Multivitamin, 250 Tablets
Amazing Nutrition, Daily Multivitamin, 250 Tablets
Amazing Nutrition
25 mcg25014.990.240View on iHerb →
5
Kuli Kuli, Pure Moringa, Organic Green Superfood Powder, Caffeine Free, 5 oz (144 g)
Kuli Kuli, Pure Moringa, Organic Green Superfood Powder, Caffeine Free, 5 oz (144 g)
Kuli Kuli
160 mcg249.990.260View on iHerb →
6
NutraBio, MRP 40:40:20 Meal Replacement, Creamy Vanilla, 2.4 lb (1,096 g)
NutraBio, MRP 40:40:20 Meal Replacement, Creamy Vanilla, 2.4 lb (1,096 g)
NutraBio
40182.000.278View on iHerb →
7
Wilderness Poets, Kale Powder, 8 oz (226 g)
Wilderness Poets, Kale Powder, 8 oz (226 g)
Wilderness Poets
191 mcg3218.480.302View on iHerb →
8
World Organic, Multi Liqui-Mins, 16 fl oz (474 ml)
World Organic, Multi Liqui-Mins, 16 fl oz (474 ml)
World Organic
150 mcg3114.930.321View on iHerb →
9
Kuli Kuli, Green Power, Organic Alkalizing Super Greens Powder, 6 oz (170 g)
Kuli Kuli, Green Power, Organic Alkalizing Super Greens Powder, 6 oz (170 g)
Kuli Kuli
156 mcg2815.990.366View on iHerb →
10
Amazing Grass, Organic Supergreens Powder, 5.29 oz (150 g)
Amazing Grass, Organic Supergreens Powder, 5.29 oz (150 g)
Amazing Grass
109 mcg3012.690.388View on iHerb →
11
One-A-Day, For Her, VitaCraves® Teen Gummies, 60 Gummies
One-A-Day, For Her, VitaCraves® Teen Gummies, 60 Gummies
One-A-Day
75 mcg3012.110.538View on iHerb →
12
Micro Ingredients, Organic Spirulina, 720 Tablets
Micro Ingredients, Organic Spirulina, 720 Tablets
Micro Ingredients
40 mcg12025.950.541View on iHerb →
13
Amazing Grass, Amazing Trio Powder, Barley Grass, Wheat Grass & Alfalfa, 8.5 oz (240 g)
Amazing Grass, Amazing Trio Powder, Barley Grass, Wheat Grass & Alfalfa, 8.5 oz (240 g)
Amazing Grass
80 mcg3013.270.553View on iHerb →
14
Amazing Grass, Organic Wheat Grass Powder, 1.76 lb (800 g)
Amazing Grass, Organic Wheat Grass Powder, 1.76 lb (800 g)
Amazing Grass
80 mcg10058.150.727View on iHerb →
15
Garden of Life, Organics, Women's Multi 40+ Gummies, Organic Berry, 120 Vegan Gummy Drops
Garden of Life, Organics, Women's Multi 40+ Gummies, Organic Berry, 120 Vegan Gummy Drops
Garden of Life
120 mcg3026.590.739View on iHerb →
16
Garden of Life, Organics, Women's Multi Gummies, Organic Berry, 120 Vegan Gummy Drops
Garden of Life, Organics, Women's Multi Gummies, Organic Berry, 120 Vegan Gummy Drops
Garden of Life
120 mcg3026.590.739View on iHerb →
17
Amazing Grass, Greens Blend, Digest, Pineapple Guava, 7.4 oz (210 g)
Amazing Grass, Greens Blend, Digest, Pineapple Guava, 7.4 oz (210 g)
Amazing Grass
79 mcg3021.370.902View on iHerb →
18
Amazing Grass, Super Greens, Antioxidant, Sweet Berry, 1.54 lb (700 g)
Amazing Grass, Super Greens, Antioxidant, Sweet Berry, 1.54 lb (700 g)
Amazing Grass
71 mcg10066.680.939View on iHerb →
19
Amazing Grass, Greens Blend, Superfood, 1.76 lb (800 g)
Amazing Grass, Greens Blend, Superfood, 1.76 lb (800 g)
Amazing Grass
69 mcg10066.680.966View on iHerb →
20
Amazing Grass, Greens Blend, Detox & Digest, Clean Greens, 7.4 oz (210 g)
Amazing Grass, Greens Blend, Detox & Digest, Clean Greens, 7.4 oz (210 g)
Amazing Grass
90 mcg3026.710.989View on iHerb →
21
Amazing Grass, Organic Wheat Grass Powder, 8.5 oz (240 g)
Amazing Grass, Organic Wheat Grass Powder, 8.5 oz (240 g)
Amazing Grass
80 mcg3024.161.01View on iHerb →
22
Amazing Grass, Greens Blend Superfood, 1.06 lb (480 g)
Amazing Grass, Greens Blend Superfood, 1.06 lb (480 g)
Amazing Grass
70 mcg6045.481.08View on iHerb →
23
Amazing Grass, Greens Blend Superfood, Berry, 1.76 lb (800 g)
Amazing Grass, Greens Blend Superfood, Berry, 1.76 lb (800 g)
Amazing Grass
58 mcg10066.681.15View on iHerb →
24
Garden of Life, Raw Organic Perfect Food®, Green Superfood, Juiced Greens Powder, Original, 14.6 oz (414 g)
Garden of Life, Raw Organic Perfect Food®, Green Superfood, Juiced Greens Powder, Original, 14.6 oz (414 g)
Garden of Life
88 mcg6062.291.18View on iHerb →
25
California Gold Nutrition, Superfoods, Supergreens Antioxidant with Vitamin A, Vitamin K and Calcium, Sweet Berry, 6.34 oz (180 g)
California Gold Nutrition, Superfoods, Supergreens Antioxidant with Vitamin A, Vitamin K and Calcium, Sweet Berry, 6.34 oz (180 g)
California Gold Nutrition
70 mcg3026.841.28View on iHerb →

How we rank Vitamin K

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.