Brand
Source Naturals
In our price lists, Source Naturals shows up for 93 supplements – most often melatonin, vitamin B12 and magnesium.
- Made for (label)
- Source Naturals, Inc., Santa Cruz, CA (NIH)
- Website
- sourcenaturals.com
Logo from the brand’s own website, shown only to identify it. Source Naturals doesn’t pay to be listed.
Our rating
Good
Average quality score of 299 products
Its products by quality score
- 0 very good
- 286 good
- 8 fair
- 5 low
93
supplements in our price lists
57%
of other products cost more per dose – for a typical product
0%
of its products carry an independent testing seal
1%
say “Made in Japan” on the label
Full range
Every Source Naturals product we checked
299 products in 93 supplements. The yellow tag is the cost for the same amount – and “#3 of 120” is its place in our price list, cheapest first.
Sleep Science, Melatonin, Time Release, 3 mg
60 tablets
80Good qualityvitacost.com (opens in a new tab)
$7.18#101 of 326
4¢per 1 mg#101 of 326
Sleep Science, Melatonin, Time Release, 2 mg
240 tablets
80Good qualityvitacost.com (opens in a new tab)
$22.75#116 of 326
4.7¢per 1 mg#116 of 326
Sleep Science, Melatonin Gummies, Mixed Berry, 5 mg
60 gummies
80Good qualityvitacost.com (opens in a new tab)
$14.33#117 of 326
4.8¢per 1 mg#117 of 326
Sleep Science, Melatonin, Time Release, 2 mg
60 tablets
80Good qualityvitacost.com (opens in a new tab)
$6.29#122 of 326
5.2¢per 1 mg#122 of 326
$16.79#129 of 326
5.6¢per 1 mg#129 of 326
$12.19#21 of 245
4.1¢per 1,000 µg#21 of 245
$32.99#36 of 245
5.5¢per 1,000 µg#36 of 245
$19.13#51 of 245
6.4¢per 1,000 µg#51 of 245
$10.06#56 of 245
6.7¢per 1,000 µg#56 of 245
$14.18#61 of 245
7.1¢per 1,000 µg#61 of 245
$21.08#86 of 627
$0.18per 200 mg#86 of 627
$11.26#100 of 627
$0.19per 200 mg#100 of 627
$16.25#152 of 627
$0.27per 200 mg#152 of 627
$16.74#154 of 627
$0.28per 200 mg#154 of 627
$26.21#158 of 627
$0.29per 200 mg#158 of 627
$46.55#15 of 245
$0.13per serving#15 of 245
$31.49#16 of 245
$0.13per serving#16 of 245
$16.45#19 of 245
$0.14per serving#19 of 245
$34.99#23 of 245
$0.15per serving#23 of 245
$8.75#24 of 245
$0.15per serving#24 of 245
$32.30#28 of 133
$0.13per 300 mg#28 of 133
$16.92#30 of 133
$0.14per 300 mg#30 of 133
$23.09#41 of 133
$0.19per 300 mg#41 of 133
$23.49#43 of 133
$0.20per 300 mg#43 of 133
$12.25#48 of 133
$0.20per 300 mg#48 of 133
$24.59#31 of 376
$0.14per 100 mg#31 of 376
$20.78#62 of 376
$0.17per 100 mg#62 of 376
$23.84#82 of 376
$0.20per 100 mg#82 of 376
$19.44#96 of 376
$0.22per 100 mg#96 of 376
$13.25#100 of 376
$0.22per 100 mg#100 of 376
$16.09#6 of 61
3.6¢per 500 mg#6 of 61
$22.05#22 of 61
8.2¢per 500 mg#22 of 61
$22.75#23 of 61
8.4¢per 500 mg#23 of 61
$12.59#24 of 61
9.3¢per 500 mg#24 of 61
$12.95#25 of 61
9.6¢per 500 mg#25 of 61
Niacinamide B-3, 1,500 mg
100 tablets
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$12.42#8 of 117
0.21¢per 25 mg#8 of 117
Niacinamide B-3, 1,500 mg
50 tablets
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$6.69#11 of 117
0.22¢per 25 mg#11 of 117
No-Flush Niacin
60 tablets
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$11.41#75 of 117
0.95¢per 25 mg#75 of 117
Niacinamide B-3, 100 mg
250 tablets
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$10.56#78 of 117
1.1¢per 25 mg#78 of 117
Niacin, 100 mg
250 tablets
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$11.79#83 of 117
1.2¢per 25 mg#83 of 117
$17.49#3 of 531
1.3¢per 25 µg#3 of 531
$24.98#18 of 531
1.8¢per 25 µg#18 of 531
$11.96#57 of 531
3¢per 25 µg#57 of 531
$30.09#82 of 531
3.8¢per 25 µg#82 of 531
$15.75#89 of 531
3.9¢per 25 µg#89 of 531
Glucosamine Sulfate Powder, Sodium Free
454 g (1 lb) · Powder
80Good qualityvitacost.com (opens in a new tab)
$23.08#5 of 220
$0.10per 1,500 mg#5 of 220
$7.41#59 of 220
$0.37per 1,500 mg#59 of 220
$26.82#76 of 220
$0.45per 1,500 mg#76 of 220
$14.07#79 of 220
$0.47per 1,500 mg#79 of 220
$49.63#108 of 220
$0.62per 1,500 mg#108 of 220
Arctic Pure, Ultra Potency Omega-3 Fish Oil, 850 mg
120 softgels
75Good qualityvitacost.com (opens in a new tab)
$27.62#28 of 640
$0.29per 1,000 mg#28 of 640
$28.52#35 of 640
$0.30per 1,000 mg#35 of 640
Arctic Pure, Ultra Potency Omega-3 Fish Oil, 850 mg
60 softgels
75Good qualityvitacost.com (opens in a new tab)
$14.49#37 of 640
$0.31per 1,000 mg#37 of 640
$21.81#64 of 640
$0.38per 1,000 mg#64 of 640
$46.94#597 of 640
$4.12per 1,000 mg#597 of 640
$27.29#3 of 33
$0.12per 1 g#3 of 33
$15.93#4 of 33
$0.14per 1 g#4 of 33
$8.58#5 of 33
$0.15per 1 g#5 of 33
$39.98#6 of 33
$0.18per 1 g#6 of 33
$23.25#8 of 33
$0.21per 1 g#8 of 33
$11.75#42 of 293
$0.12per serving#42 of 293
$6.21#48 of 293
$0.12per serving#48 of 293
$17.50#81 of 293
$0.18per serving#81 of 293
$19.71#255 of 293
$0.66per serving#255 of 293
$41.44#258 of 293
$0.69per serving#258 of 293
$7.09#26 of 78
7¢per 1 g#26 of 78
$21.09#33 of 78
8.8¢per 1 g#33 of 78
$11.04#36 of 78
9.2¢per 1 g#36 of 78
$6.05#39 of 78
$0.10per 1 g#39 of 78
$9.17#49 of 78
$0.15per 1 g#49 of 78
$24.33#8 of 29
$0.32per 3 g#8 of 29
$12.92#9 of 29
$0.34per 3 g#9 of 29
$17.43#19 of 29
$0.52per 3 g#19 of 29
$11.03#20 of 29
$0.55per 3 g#20 of 29
$29.98#22 of 29
$0.75per 3 g#22 of 29
$14.43#35 of 75
4.8¢per 200 µg#35 of 75
$7.72#39 of 75
5.1¢per 200 µg#39 of 75
$15.48#48 of 75
6.5¢per 200 µg#48 of 75
$21.50#57 of 75
7.2¢per 200 µg#57 of 75
$9.23#59 of 75
7.7¢per 200 µg#59 of 75
$39.89#61 of 65
$1.99per 6 g#61 of 65
$20.29#62 of 65
$2.03per 6 g#62 of 65
$22.05#63 of 65
$2.21per 6 g#63 of 65
$56.98#64 of 65
$2.85per 6 g#64 of 65
$31.50#65 of 65
$3.15per 6 g#65 of 65
$7.50#14 of 78
7.6¢per 1,000 mg#14 of 78
$17.63#22 of 78
8.8¢per 1,000 mg#22 of 78
$9.66#25 of 78
9.7¢per 1,000 mg#25 of 78
$13.80#45 of 78
$0.14per 1,000 mg#45 of 78
$13.98#46 of 78
$0.14per 1,000 mg#46 of 78
$30.07#34 of 79
$0.13per 10 mg#34 of 79
$17.26#66 of 79
$0.32per 10 mg#66 of 79
$33.80#73 of 79
$0.47per 10 mg#73 of 79
$17.49#74 of 79
$0.49per 10 mg#74 of 79
$24.25#77 of 79
$0.67per 10 mg#77 of 79
$36.88#24 of 104
$0.12per 600 mg#24 of 104
$25.84#28 of 104
$0.13per 600 mg#28 of 104
$14.43#30 of 104
$0.14per 600 mg#30 of 104
$20.11#36 of 104
$0.17per 600 mg#36 of 104
$10.74#38 of 104
$0.18per 600 mg#38 of 104
$45.59#25 of 45
$0.38per 100 mg#25 of 45
$23.93#27 of 45
$0.40per 100 mg#27 of 45
$24.85#29 of 45
$0.41per 100 mg#29 of 45
$14.07#30 of 45
$0.47per 100 mg#30 of 45
$35.98#33 of 45
$0.60per 100 mg#33 of 45
$36.98#29 of 128
$0.31per 500 mg#29 of 128
$19.01#31 of 128
$0.32per 500 mg#31 of 128
$10.03#39 of 128
$0.33per 500 mg#39 of 128
$32.19#121 of 128
$1.34per 500 mg#121 of 128
$10.41#6 of 189
1¢per 1,000 µg#6 of 189
$8.39#9 of 189
1.4¢per 1,000 µg#9 of 189
Biotin, 10,000 mcg
120 tablets
80Good qualityVery high dose per servingvitacost.com (opens in a new tab)
$9.89#116 of 189
0.82¢per 1,000 µg#116 of 189
Biotin Fast Melt, 10,000 mcg
120 tablets
80Good qualityVery high dose per servingvitacost.com (opens in a new tab)
$11.79#127 of 189
0.98¢per 1,000 µg#127 of 189
$12.59#13 of 56
$0.10per 500 mg#13 of 56
$6.99#20 of 56
$0.12per 500 mg#20 of 56
$13.04#33 of 56
$0.22per 500 mg#33 of 56
$13.04#34 of 56
$0.22per 500 mg#34 of 56
$64.24#27 of 99
$0.29per 2 g#27 of 99
$33.72#30 of 99
$0.31per 2 g#30 of 99
$17.27#32 of 99
$0.32per 2 g#32 of 99
$9.05#34 of 99
$0.33per 2 g#34 of 99
$9.43#67 of 134
$0.47per 5 g#67 of 134
$42.81#68 of 134
$0.47per 5 g#68 of 134
$10.24#106 of 134
$1.02per 5 g#106 of 134
$11.04#110 of 134
$1.10per 5 g#110 of 134
$16.09#15 of 63
$0.18per 1,000 mg#15 of 63
$8.75#16 of 63
$0.19per 1,000 mg#16 of 63
$22.98#25 of 63
$0.26per 1,000 mg#25 of 63
$28.16#22 of 42
$0.39per 2.5 g#22 of 42
$14.74#23 of 42
$0.41per 2.5 g#23 of 42
$7.88#25 of 42
$0.44per 2.5 g#25 of 42
$22.53#22 of 66
$0.19per 1,000 mg#22 of 66
$13.77#23 of 66
$0.23per 1,000 mg#23 of 66
$7.41#26 of 66
$0.25per 1,000 mg#26 of 66
$34.18#29 of 35
$1.14per 2 g#29 of 35
$17.79#30 of 35
$1.19per 2 g#30 of 35
$25.25#33 of 35
$1.68per 2 g#33 of 35
$10.15#10 of 54
$0.13per 3 g#10 of 54
$16.57#32 of 54
$0.50per 3 g#32 of 54
$8.97#36 of 54
$0.54per 3 g#36 of 54
$23.83#68 of 129
$0.40per 1,000 mg#68 of 129
$15.10#79 of 129
$0.50per 1,000 mg#79 of 129
$30.98#80 of 129
$0.52per 1,000 mg#80 of 129
$8.10#7 of 61
4.1¢per 500 mg#7 of 61
$12.10#38 of 61
$0.12per 500 mg#38 of 61
$17.98#48 of 61
$0.18per 500 mg#48 of 61
$11.57#2 of 18
2.3¢per 5 mg#2 of 18
$5.36#3 of 18
2.7¢per 5 mg#3 of 18
$7.98#4 of 18
4¢per 5 mg#4 of 18
$10.72#1 of 8
8.9¢per 10 mg#1 of 8
$5.87#2 of 8
9.8¢per 10 mg#2 of 8
$16.50#5 of 8
$0.14per 10 mg#5 of 8
$24.17#5 of 34
$0.10per 500 mg#5 of 34
$15.18#8 of 34
$0.13per 500 mg#8 of 34
$8.82#10 of 34
$0.15per 500 mg#10 of 34
$10.49#15 of 28
$0.35per 30 mg#15 of 28
$5.78#16 of 28
$0.39per 30 mg#16 of 28
$14.98#20 of 28
$0.50per 30 mg#20 of 28
$67.07#14 of 24
$1.12per 1,000 mg#14 of 24
$35.54#16 of 24
$1.18per 1,000 mg#16 of 24
$19.71#22 of 24
$1.56per 1,000 mg#22 of 24
$10.03#24 of 78
4.2¢per 100 µg#24 of 78
$10.35#27 of 78
4.3¢per 100 µg#27 of 78
$5.89#35 of 78
4.9¢per 100 µg#35 of 78
$32.85#37 of 47
$0.55per serving#37 of 47
$17.11#39 of 47
$0.57per serving#39 of 47
$9.06#41 of 47
$0.60per serving#41 of 47
$25.84#3 of 8
$2.15per 10 mg#3 of 8
$13.40#4 of 8
$2.23per 10 mg#4 of 8
$7.21#5 of 8
$2.40per 10 mg#5 of 8
$22.48#6 of 73
1.2¢per 1,000 µg#6 of 73
$9.74#7 of 73
1.3¢per 1,000 µg#7 of 73
$33.50#20 of 73
1.8¢per 1,000 µg#20 of 73
$32.55#39 of 61
$0.27per 100 mg#39 of 61
$17.15#40 of 61
$0.29per 100 mg#40 of 61
$14.78#16 of 25
$1.23per 5 g#16 of 25
$20.98#23 of 25
$1.75per 5 g#23 of 25
$14.07#12 of 32
$0.12per 500 mg#12 of 32
$7.57#14 of 32
$0.13per 500 mg#14 of 32
$12.10#12 of 21
6.1¢per 3 mg#12 of 21
$6.70#16 of 21
6.7¢per 3 mg#16 of 21
$28.83#48 of 78
$0.24per 120 mg#48 of 78
$12.92#62 of 78
$0.32per 120 mg#62 of 78
$45.59#8 of 58
$0.13per 100 mg#8 of 58
$48.98#41 of 58
$0.30per 100 mg#41 of 58
$13.40#8 of 32
$0.11per 500 mg#8 of 32
$5.35#28 of 32
$0.45per 500 mg#28 of 32
$13.48#9 of 28
$0.10per 400 mg#9 of 28
$25.99#14 of 28
$0.16per 400 mg#14 of 28
$12.79#8 of 108
3.7¢per 18 mg#8 of 108
$5.51#10 of 108
4¢per 18 mg#10 of 108
$15.72#63 of 110
$0.47per 3 g#63 of 110
$9.74#71 of 110
$0.58per 3 g#71 of 110
$48.29#46 of 83
$0.40per 200 mg#46 of 83
$25.95#52 of 83
$0.43per 200 mg#52 of 83
$30.78#1 of 69
3.2¢per 1,000 mg#1 of 69
$16.74#7 of 69
3.8¢per 1,000 mg#7 of 69
Mega-One, High Potency Multi-Vitamin With Minerals
180 tablets
80Good qualityvitacost.com (opens in a new tab)
$44.63#137 of 1,075
$0.25per serving#137 of 1,075
$48.96#1060 of 1,075
$2.45per serving#1060 of 1,075
$41.93#50 of 136
$0.70per serving#50 of 136
$21.49#53 of 136
$0.72per serving#53 of 136
$13.80#16 of 26
$0.15per 500 mg#16 of 26
$19.98#20 of 26
$0.22per 500 mg#20 of 26
$31.40#27 of 43
$1.05per 100 mg#27 of 43
$82.59#32 of 43
$1.38per 100 mg#32 of 43
$50.75#38 of 46
$1.69per 400 mg#38 of 46
$53.98#41 of 46
$1.80per 400 mg#41 of 46
$32.39#27 of 42
$0.39per 3 g#27 of 42
$14.07#32 of 42
$0.42per 3 g#32 of 42
$16.94#14 of 67
3.4¢per 100 mg#14 of 67
$6.57#24 of 67
6.6¢per 100 mg#24 of 67
$21.12#20 of 36
$0.17per 500 mg#20 of 36
$14.77#28 of 36
$0.30per 500 mg#28 of 36
$9.57#1 of 113
0.96¢per 100 µg#1 of 113
$5.20#2 of 113
1¢per 100 µg#2 of 113
$26.93#11 of 27
$0.15per 500 mg#11 of 27
$38.89#18 of 24
$0.22per 650 mg#18 of 24
$14.49#19 of 43
$0.19per 500 mg#19 of 43
$19.01#36 of 88
$0.19per 500 mg#36 of 88
$15.32#3 of 25
6.4¢per 500 mg#3 of 25
$6.91#3 of 22
3.8¢per 2 mg#3 of 22
$22.20#16 of 45
8.9¢per 400 mg#16 of 45
$14.34#4 of 131
0.84¢per 400 µg#4 of 131
$24.13#37 of 92
$0.40per 250 mg#37 of 92
$19.25#12 of 32
$0.18per 500 mg#12 of 32
Potassium Iodide
120 tablets
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$17.97#38 of 52
0.09¢per 150 µg#38 of 52
$28.69#22 of 28
$0.48per 500 mg#22 of 28
$15.93#5 of 16
8¢per 500 mg#5 of 16
$10.03#5 of 16
4.4¢per 500 mg#5 of 16
$21.81#9 of 15
$0.36per serving#9 of 15
$30.98#9 of 21
$1.61per 1,000 mg#9 of 21
$16.91#35 of 37
$0.94per 150 mg#35 of 37
$48.99#21 of 30
$0.82per 20 mg#21 of 30
$12.86#19 of 48
$0.21per 500 mg#19 of 48
$26.61#23 of 803
$1.32per 30 g#23 of 803
NutraDrops Quercetin, 134 mg
118.3 ml (4 fl oz) · Liquid
75Good qualityvitacost.com (opens in a new tab)
$20.57#56 of 63
$1.30per 500 mg#56 of 63
$19.33#16 of 17
$0.32per 500 mg#16 of 17
$94.85#21 of 24
$3.16per 1,000 mg#21 of 24
$17.15#4 of 45
$0.14per 500 mg#4 of 45
$24.63#13 of 48
9.1¢per 300 mg#13 of 48
$66.19#4 of 4
$0.55per 40 mg#4 of 4
Vanadyl Sulfate, 10 mg
100 tablets
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$8.89#4 of 4
0.44¢per 100 µg#4 of 4
Vitamin B-6
100 tablets
80Good qualityOver the upper limit per servingsourcenaturals.com (opens in a new tab)
$19.25#75 of 80
0.38¢per 10 mg#75 of 80
$24.64#92 of 447
5.1¢per 500 mg#92 of 447
$17.85#48 of 202
6.5¢per 10 mg#48 of 202
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