
NOW Supplements, Potassium Gluconate 99mg, Easier to Swallow…
Cost per serving
$0.04
250 servings · ~250-day supply
117 active deals across 72 nutrients, cheapest at $0.02 per serving. Ranked by real cost per dose.
Prices checked in 35 minutes
The best-value NOW supplement we track is NOW Supplements, Folic Acid 800 mcg + B-12 (Cyanocobalamin) 25 mcg, B… at $0.02 per serving. We track 117 active deals across 72 nutrients, all ranked by real cost per dose.
Best value we track
Nutrients covered — compare cost per dose

NOW Supplements, Potassium Gluconate 99mg, Easier to Swallow…
Cost per serving
$0.04
250 servings · ~250-day supply

NOW Supplements, Selenium (L-Selenomethionine) 100 mcg…
Cost per serving
$0.04
100 servings · ~100-day supply

NOW Supplements, Pine Bark Extract 240 mg, 90% OPC Pine Bark…
Cost per serving
$0.14
90 servings · ~90-day supply
NOW’s cheapest product in each shelf, against the median cost-per-dose of that whole shelf. It beats the median in 43 of 55. Single-nutrient products only, live prices.
| Nutrient | Cheapest NOW | Shelf median | Difference |
|---|---|---|---|
| $0.14 | $0.62 (n=22) | -77% | |
| $0.06 | $0.17 (n=19) | -65% | |
| $0.04 | $0.12 (n=70) | -64% | |
| $0.08 | $0.22 (n=11) | -63% | |
| $0.03 | $0.08 |

Now Supplements, Alpha GPC 600 mg, Brain Support*, 60 Veg Caps
Cost per serving
$0.50
60 servings · ~60-day supply

Now Supplements, Prebiotic Inulin Fiber, 180 Veg Capsules
Cost per serving
$0.08
180 servings · ~180-day supply

NOW Supplements, Sun-E™ 400 IU with d-alpha Tocopherol…
Cost per serving
$0.28
60 servings · ~60-day supply

NOW Foods Supplements, Policosanol 10 mg, Blend of Long-Chain…
Cost per serving
$0.11
90 servings · ~90-day supply

NOW Supplements, L-Lysine 500 mg, Amino Acid, 100 Tabs
Cost per serving
$0.05
100 servings · ~100-day supply

NOW Supplements, Alpha Lipoic Acid 600 mg, Extra Strength…
Cost per serving
$0.23
60 servings · ~60-day supply

Supplements, Methyl B-12 5000mcg,Methylcobalamin…
Cost per serving
$0.19
90 servings · ~90-day supply

NOW Foods Supplements, Silymarin Milk Thistle Extract 300 mg…
Cost per serving
$0.16
50 servings · ~50-day supply

NOW Supplements, Bacopa Extract 450 mg, Brain Health*, 90 Veg…
Cost per serving
$0.19
90 servings · ~90-day supply

NOW Supplements, 5-HTP (5-hydroxytryptophan) 200 mg, 60 Veg…
Cost per serving
$0.25
60 servings · ~60-day supply

NOW Supplements, Selenium 200 mcg, Essential Mineral, 180 Veg…
Cost per serving
$0.06
180 servings · ~180-day supply

NOW Chromium Picolinate 200mcg, 100 Capsules (Pack of 2)
Cost per serving
$0.07
200 servings · ~200-day supply

NOW Supplements, Potassium Gluconate 99mg, Easier to Swallow…
Cost per serving
$0.06
100 servings · ~100-day supply

Supplements, Methyl B-12 (Methylcobalamin) 5,000 mcg, Nervous…
Cost per serving
$0.22
60 servings · ~60-day supply

NOW Foods Supplements, Maca (Lepidium meyenii) 500 mg, For Men…
Cost per serving
$0.06
250 servings · ~250-day supply

NOW Foods Supplements, SAMe (S-Adenosyl-L-Methionine) 400 mg…
Cost per serving
$0.66
60 servings · ~60-day supply

NOW Supplements, Passion Flower 350 mg, Stress Relief*, 90 Veg…
Cost per serving
$0.11
90 servings · ~90-day supply

NOW Supplements, Folic Acid 800 mcg + B-12 (Cyanocobalamin)…
Cost per serving
$0.02
250 servings · ~250-day supply

Now Supplements, Glutathione 500 mg, Detoxification Support*…
Cost per serving
$0.31
120 servings · ~120-day supply

NOW Foods Supplements, Chromium Picolinate 200 mcg, Insulin…
Cost per serving
$0.04
250 servings · ~250-day supply

Now Supplements, Zinc Picolinate 50 mg, Immune Support*…
Cost per serving
$0.10
30 servings · ~30-day supply
| -62% |
| $0.04 | $0.09 (n=16) | -61% |
| $0.07 | $0.16 (n=16) | -58% |
| $0.06 | $0.13 (n=15) | -57% |
| $0.09 | $0.21 (n=76) | -56% |
| $0.06 | $0.13 (n=84) | -52% |
| $0.04 | $0.07 (n=46) | -47% |
| $0.06 | $0.11 (n=24) | -46% |
| $0.09 | $0.17 (n=62) | -45% |
| $0.11 | $0.20 (n=12) | -45% |
| $0.05 | $0.09 (n=54) | -44% |
| $0.23 | $0.42 (n=55) | -44% |
| $0.08 | $0.14 (n=48) | -43% |
| $0.11 | $0.18 (n=24) | -40% |
| $0.20 | $0.33 (n=21) | -40% |
| $0.04 | $0.07 (n=27) | -40% |
| $0.10 | $0.16 (n=32) | -39% |
| $0.09 | $0.15 (n=11) | -39% |
| $0.08 | $0.13 (n=141) | -39% |
| $0.10 | $0.16 (n=35) | -37% |
| $0.09 | $0.14 (n=35) | -33% |
| $0.12 | $0.18 (n=20) | -31% |
| $0.07 | $0.10 (n=11) | -30% |
| $0.13 | $0.18 (n=13) | -27% |
| $0.07 | $0.10 (n=11) | -27% |
| $0.06 | $0.08 (n=68) | -26% |
| $0.21 | $0.27 (n=70) | -25% |
| $0.10 | $0.13 (n=8) | -23% |
| $0.17 | $0.21 (n=26) | -22% |
| $0.04 | $0.06 (n=35) | -21% |
| $0.15 | $0.18 (n=46) | -18% |
| $0.13 | $0.15 (n=16) | -9% |
| $0.31 | $0.33 (n=42) | -7% |
| $0.06 | $0.06 (n=12) | -6% |
| $0.25 | $0.27 (n=29) | -6% |
| $0.19 | $0.20 (n=15) | -5% |
| $0.12 | $0.12 (n=13) | -2% |
| $0.21 | $0.22 (n=51) | -2% |
| $0.18 | $0.18 (n=13) | -1% |
| $0.42 | $0.42 (n=29) | 0% |
| $0.17 | $0.16 (n=70) | +2% |
| $0.11 | $0.11 (n=10) | +3% |
| $0.16 | $0.15 (n=11) | +6% |
| $0.20 | $0.18 (n=20) | +13% |
| $0.66 | $0.50 (n=24) | +31% |
| $0.33 | $0.24 (n=25) | +34% |
| $0.15 | $0.10 (n=47) | +39% |
| $0.23 | $0.17 (n=41) | +40% |
| $0.37 | $0.26 (n=47) | +40% |
| $0.31 | $0.17 (n=19) | +87% |
| $0.50 | $0.22 (n=34) | +123% |
Median is the middle cost-per-dose of every comparable product we track on that shelf, not just this brand’s. A shelf needs at least 8 comparable products to appear here.