NEW
🌿 Folate (Vitamin B9)
Carlyle L Methylfolate 15mg | 120 Capsules | Value Size | Max…
Cost per serving
$0.25
Avg·−37%120 servings · ~120-day supply
$29.99Price from Amazon.com
Carlyle · Amazon.com 0
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Ranked by real cost-per-dose — what a day of the actual molecule costs, not the size of the bottle. Always confirm the live price on Amazon.
Updated August 2026 · independent desk · no paid placement
Today’s top deals
NEW
🥦 Selenium
Nutricost Selenium 200mcg
Cost per serving
$0.06
Cheap·−78%240 servings · ~240-day supply
$13.95Price from Amazon.com
Nutricost · Amazon.com 0
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⚡ Alpha-Lipoic Acid
Toniiq 1000mg Ultra High Strength Alpha Lipoic Acid Capsules…
Cost per serving
$0.21
Avg·−50%120 servings · ~120-day supply
$24.97Price from Amazon.com
Amazon.com 0
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💇 Biotin (Vitamin B7)
Nature's Bounty Biotin
Cost per serving
$0.06
Cheap·−80%150 servings · ~150-day supply
$9.35Price from Amazon.com
Nature's Bounty · Amazon.com 0
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🍌 Potassium
Nature's Bounty Potassium Gluconate 99mg, 100 Caplets
Cost per serving
$0.09
Avg·−72%100 servings · ~100-day supply
$8.84last seen · confirm on Amazon.com
Nature's Bounty · Amazon.com 0
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🫁 NAC
Pure Encapsulations NAC 600 mg - N-Acetyl Cysteine NAC…
Cost per serving
$0.43
Pricey90 servings · ~90-day supply
$38.50Price from Amazon.com
Pure Encapsulations · Amazon.com 0
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😴 Melatonin 3rd-party
Nordic Naturals Zero Sugar Melatonin Gummies
Cost per serving
$0.28
Avg·−43%60 servings · ~60-day supply
$16.64last seen · confirm on Amazon.com
Nordic Naturals · Amazon.com 0
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💇 Biotin (Vitamin B7)
Biotin Gummies 10000mcg for Hair Growth Support - Sugar Free…
Cost per serving
$0.18
Avg·−43%120 servings · ~120-day supply
$21.99Price from Amazon.com
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🫁 NAC
Vital Nutrients NAC 600mg - N-Acetyl Cysteine - Vegan NAC…
Cost per serving
$0.32
Avg·−50%100 servings · ~100-day supply
$31.99Price from Amazon.com
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☀️ Vitamin D3
Pure Encapsulations Vitamin D3 250 mcg (10
Cost per serving
$0.43
Pricey120 servings · ~120-day supply
High absorption
$52.00Price from Amazon.com
Pure Encapsulations · Amazon.com 0
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⚡ Vitamin B12 (Cobalamin)
NatureWise Vitamin B12 1000 mcg - Dietary Supplement…
Cost per serving
$0.10
Avg·−65%60 servings · ~60-day supply
$5.94Price from Amazon.com
NatureWise · Amazon.com 0
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☀️ Vitamin D3
Vitalitown Vitamin D3 K2 Supplement
Cost per serving
$0.11
Avg·−49%90 servings · ~90-day supply
High absorption
$9.99Price from Amazon.com
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