Big US brand · Vitamins & supplements
Doctor's Best
In our price lists, Doctor's Best shows up for 53 supplements – most often coenzyme Q10, glucosamine and vitamin D.
- Made for (label)
- Doctor's Best, Inc., Tustin, USA (NIH)
- Website
- drbvitamins.com
Logo from the brand’s own website, shown only to identify it. Doctor's Best doesn’t pay to be listed.
Our rating
Good
Average quality score of 241 products
Its products by quality score
- 18 very good
- 214 good
- 7 fair
- 2 low
53
supplements in our price lists
53%
of other products cost more per dose – for a typical product
7%
of its products carry an independent testing seal
Full range
Every Doctor's Best product we checked
241 products in 53 supplements. The yellow tag is the cost for the same amount – and “#3 of 120” is its place in our price list, cheapest first.
High Absorption CoQ10 with BioPerine 400 mg
180 capsules
100Very good qualityTested by an independent labdrbvitamins.com (opens in a new tab)
$81.99#15 of 376
$0.11per 100 mg#15 of 376
High Absorption CoQ10
180 capsules
100Very good qualityTested by an independent labvitacost.com (opens in a new tab)
$84.45#17 of 376
$0.12per 100 mg#17 of 376
High Absorption CoQ10, 200 mg
180 capsules
100Very good qualityTested by an independent labvitacost.com (opens in a new tab)
$45.99#23 of 376
$0.13per 100 mg#23 of 376
High Absorption CoQ10 with BioPerine 100 mg
360 capsules
100Very good qualityTested by an independent labdrbvitamins.com (opens in a new tab)
$45.99#24 of 376
$0.13per 100 mg#24 of 376
High Absorption CoQ10 with BioPerine 200 mg
180 capsules
100Very good qualityTested by an independent labdrbvitamins.com (opens in a new tab)
$45.99#25 of 376
$0.13per 100 mg#25 of 376
$14.99#19 of 220
$0.17per 1,500 mg#19 of 220
$14.99#20 of 220
$0.17per 1,500 mg#20 of 220
$17.99#27 of 220
$0.20per 1,500 mg#27 of 220
Vegan Glucosamine Sulfate with GreenGrown Glucosamine 750 mg
180 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$17.99#28 of 220
$0.20per 1,500 mg#28 of 220
Synergistic Glucosamine MSM Formula with OptiMSM
180 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$14.99#81 of 220
$0.50per 1,500 mg#81 of 220
High Absorption Magnesium Powder
200 g (7.1 oz) · Powder
80Good qualityvitacost.com (opens in a new tab)
$19.99#109 of 627
$0.20per 200 mg#109 of 627
$23.99#110 of 627
$0.20per 200 mg#110 of 627
$15.99#117 of 627
$0.21per 200 mg#117 of 627
$15.99#119 of 627
$0.21per 200 mg#119 of 627
High Absorption Magnesium Lysinate Glycinate, Chelated, Albion TRAACS
120 tablets
80Good qualityvitacost.com (opens in a new tab)
$13.99#128 of 627
$0.23per 200 mg#128 of 627
$9.99#49 of 531
2.8¢per 25 µg#49 of 531
$9.99#50 of 531
2.8¢per 25 µg#50 of 531
$9.99#132 of 531
5.6¢per 25 µg#132 of 531
$9.99#133 of 531
5.6¢per 25 µg#133 of 531
Vegan D3 with Vitashine D3, 62.5 mcg (2,500 IU)
60 capsules
80Good qualityvitacost.com (opens in a new tab)
$12.99#204 of 531
8.7¢per 25 µg#204 of 531
Pure Vitamin C Powder with Q -C
250 g (8.8 oz) · Powder
80Good qualityvitacost.com (opens in a new tab)
$22.99#75 of 447
4.6¢per 500 mg#75 of 447
Pure Vitamin C Powder with Q-C
249 g (8.8 oz) · Powder
80Good qualitydrbvitamins.com (opens in a new tab)
$22.99#77 of 447
4.6¢per 500 mg#77 of 447
$43.99#116 of 447
6.1¢per 500 mg#116 of 447
$43.99#117 of 447
6.1¢per 500 mg#117 of 447
$19.99#193 of 447
8.3¢per 500 mg#193 of 447
Purified & Clear Omega 3 Fish Oil
120 softgels
95Very good qualityTested by an independent labvitacost.com (opens in a new tab)
$25.99#57 of 640
$0.36per 1,000 mg#57 of 640
Purified & Clear Omega 3 Fish Oil
120 softgels
95Very good qualityTested by an independent labdrbvitamins.com (opens in a new tab)
$25.99#58 of 640
$0.36per 1,000 mg#58 of 640
$35.09#400 of 640
$0.97per 1,000 mg#400 of 640
$22.99#439 of 640
$1.12per 1,000 mg#439 of 640
Enhanced Krill Plus Omega3s with Superba Krill
60 softgels
80Good qualitydrbvitamins.com (opens in a new tab)
$22.99#440 of 640
$1.12per 1,000 mg#440 of 640
$34.99#14 of 133
9.7¢per 300 mg#14 of 133
$34.99#15 of 133
9.7¢per 300 mg#15 of 133
$24.99#29 of 133
$0.14per 300 mg#29 of 133
$16.99#31 of 133
$0.14per 300 mg#31 of 133
$16.99#32 of 133
$0.14per 300 mg#32 of 133
$14.99#11 of 69
6¢per 1,000 mg#11 of 69
$14.99#12 of 69
6¢per 1,000 mg#12 of 69
$25.99#18 of 69
7.2¢per 1,000 mg#18 of 69
$26.99#20 of 69
7.5¢per 1,000 mg#20 of 69
$13.99#23 of 69
7.8¢per 1,000 mg#23 of 69
$17.99#11 of 47
$0.20per serving#11 of 47
$17.99#12 of 47
$0.20per serving#12 of 47
$26.99#22 of 47
$0.30per serving#22 of 47
$26.99#23 of 47
$0.30per serving#23 of 47
$83.42#24 of 47
$0.31per serving#24 of 47
$18.99#14 of 110
$0.19per 3 g#14 of 110
$18.99#16 of 110
$0.19per 3 g#16 of 110
$20.99#101 of 110
$1.05per 3 g#101 of 110
L-Arginine Sustained Plus Immediate Release
120 tablets
80Good qualitydrbvitamins.com (opens in a new tab)
$20.99#102 of 110
$1.05per 3 g#102 of 110
$17.99#104 of 110
$1.20per 3 g#104 of 110
$9.99#17 of 79
8.3¢per 10 mg#17 of 79
$9.99#18 of 79
8.3¢per 10 mg#18 of 79
$31.99#24 of 79
8.9¢per 10 mg#24 of 79
$31.99#25 of 79
8.9¢per 10 mg#25 of 79
$14.99#33 of 79
$0.12per 10 mg#33 of 79
$42.99#33 of 67
8¢per 100 mg#33 of 67
$44.28#35 of 67
8.2¢per 100 mg#35 of 67
$18.99#47 of 67
$0.11per 100 mg#47 of 67
$18.99#48 of 67
$0.11per 100 mg#48 of 67
Benfotiamine 150 with BenfoPure 150 mg
120 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$19.99#53 of 67
$0.11per 100 mg#53 of 67
$23.99#58 of 187
$0.40per 25 µg#58 of 187
Natural Vitamin K2 MK-7 with MenaQ7 plus Vitamin D3 180 mcg
60 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$23.99#59 of 187
$0.40per 25 µg#59 of 187
Vitamin D3 + K2 MK-7
180 softgels
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$18.99#78 of 187
2.1¢per 25 µg#78 of 187
Vitamin D3 + K2 MK-7
180 softgels
80Good qualityOver the upper limit per servingdrbvitamins.com (opens in a new tab)
$18.99#80 of 187
2.1¢per 25 µg#80 of 187
Vitamin D3 + K2 MK-7
60 capsules
80Good qualityOver the upper limit per servingdrbvitamins.com (opens in a new tab)
$14.45#102 of 187
4.8¢per 25 µg#102 of 187
$13.99#43 of 113
$0.23per 100 µg#43 of 113
Natural Vitamin K2 MK-7 with MenaQ7 100 mcg
60 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$13.99#44 of 113
$0.23per 100 µg#44 of 113
Natural Vitamin K2 MK-7 with MenaQ7 45 mcg
180 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$27.99#61 of 113
$0.35per 100 µg#61 of 113
$28.83#63 of 113
$0.36per 100 µg#63 of 113
Natural Vitamin K2 MK-7 with MenaQ7 45 mcg
60 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$9.99#66 of 113
$0.37per 100 µg#66 of 113
$26.99#97 of 245
$0.30per serving#97 of 245
$27.99#99 of 245
$0.31per serving#99 of 245
$19.99#110 of 245
$0.33per serving#110 of 245
$32.99#236 of 245
$1.10per serving#236 of 245
Proteolytic Enzymes 90 Delayed Release Veggie Caps
90 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$32.99#237 of 245
$1.10per serving#237 of 245
$62.99#8 of 96
$0.26per 500 mg#8 of 96
$62.99#9 of 96
$0.28per 500 mg#9 of 96
$35.99#15 of 96
$0.32per 500 mg#15 of 96
$56.64#69 of 96
$1.75per 500 mg#69 of 96
$24.71#80 of 96
$2.29per 500 mg#80 of 96
$22.99#15 of 61
$0.13per 100 mg#15 of 61
$22.99#16 of 61
$0.13per 100 mg#16 of 61
$9.99#29 of 61
$0.17per 100 mg#29 of 61
$9.99#31 of 61
$0.17per 100 mg#31 of 61
Betaine HCl Pepsin and Gentian Bitters
360 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$34.99#8 of 24
9.7¢per 650 mg#8 of 24
$36.04#9 of 24
$0.10per 650 mg#9 of 24
$15.99#11 of 24
$0.13per 650 mg#11 of 24
$15.99#12 of 24
$0.13per 650 mg#12 of 24
$9.99#12 of 189
1.7¢per 1,000 µg#12 of 189
$9.99#13 of 189
1.7¢per 1,000 µg#13 of 189
Biotin, 10,000 mcg
120 capsules
80Good qualityVery high dose per servingvitacost.com (opens in a new tab)
$10.99#125 of 189
0.92¢per 1,000 µg#125 of 189
Biotin 10,000 mcg
120 capsules
80Good qualityVery high dose per servingdrbvitamins.com (opens in a new tab)
$10.99#126 of 189
0.92¢per 1,000 µg#126 of 189
$28.99#13 of 78
8.1¢per 120 mg#13 of 78
$28.99#14 of 78
8.1¢per 120 mg#14 of 78
$12.99#23 of 78
$0.11per 120 mg#23 of 78
$12.99#24 of 78
$0.11per 120 mg#24 of 78
$22.99#65 of 129
$0.38per 1,000 mg#65 of 129
$22.99#66 of 129
$0.38per 1,000 mg#66 of 129
$14.99#76 of 129
$0.50per 1,000 mg#76 of 129
$14.99#78 of 129
$0.50per 1,000 mg#78 of 129
$14.99#145 of 1,075
$0.25per serving#145 of 1,075
$14.99#146 of 1,075
$0.25per serving#146 of 1,075
$26.99#716 of 1,075
$0.90per serving#716 of 1,075
Multi-Vitamin with Vitashine D3 and Quatrefolic
90 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$26.99#718 of 1,075
$0.90per serving#718 of 1,075
$17.99#116 of 465
$0.30per 10 billion CFU#116 of 465
Digestive Probiotic with Howaru 20 Billion CFU
30 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$17.99#117 of 465
$0.30per 10 billion CFU#117 of 465
Digestive Health Probiotic, 133 mg (2 Billion CFUs)
60 capsules
80Good qualityvitacost.com (opens in a new tab)
$16.99#310 of 465
$1.42per 10 billion CFU#310 of 465
Digestive Health Probiotic with LactoSpore 2 Billion
60 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$16.99#311 of 465
$1.42per 10 billion CFU#311 of 465
$40.99#25 of 64
$0.28per 250 mg#25 of 64
High Potency Trans-Resveratrol 600 600 mg
60 capsules
75Good qualitydrbvitamins.com (opens in a new tab)
$40.99#26 of 64
$0.28per 250 mg#26 of 64
Trans-Resveratrol 200 with Resvinol 200 mg
60 capsules
60Fair qualitydrbvitamins.com (opens in a new tab)
$23.99#42 of 64
$0.50per 250 mg#42 of 64
Trans-Resveratrol 100 with ResVinol 100 mg
60 capsules
60Fair qualitydrbvitamins.com (opens in a new tab)
$17.99#46 of 64
$0.75per 250 mg#46 of 64
$48.99#15 of 46
$0.82per 400 mg#15 of 46
$48.99#16 of 46
$0.82per 400 mg#16 of 46
$33.99#25 of 46
$1.13per 400 mg#25 of 46
$33.99#26 of 46
$1.13per 400 mg#26 of 46
Saw Palmetto, Standardized Extract, 320 mg
180 softgels
75Good qualityvitacost.com (opens in a new tab)
$54.99#52 of 71
$0.31per 320 mg#52 of 71
Saw Palmetto Standardized Extract 320 mg
180 softgels
75Good qualitydrbvitamins.com (opens in a new tab)
$54.99#53 of 71
$0.31per 320 mg#53 of 71
Saw Palmetto, Standardized Extract, 320 mg
60 softgels
75Good qualityvitacost.com (opens in a new tab)
$22.99#59 of 71
$0.38per 320 mg#59 of 71
Saw Palmetto with Prosterol Standardized Extract 320 mg
60 softgels
75Good qualitydrbvitamins.com (opens in a new tab)
$22.99#60 of 71
$0.38per 320 mg#60 of 71
$17.99#151 of 293
$0.30per serving#151 of 293
Fully Active B Complex with Quatrefolic
60 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$17.99#153 of 293
$0.30per serving#153 of 293
$10.29#173 of 293
$0.34per serving#173 of 293
Fully Active B Complex with Quatrefolic
30 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$10.99#185 of 293
$0.37per serving#185 of 293
$15.99#43 of 245
5.9¢per 1,000 µg#43 of 245
$15.99#44 of 245
5.9¢per 1,000 µg#44 of 245
$8.99#109 of 245
$0.10per 1,000 µg#109 of 245
$8.99#110 of 245
$0.10per 1,000 µg#110 of 245
$22.99#95 of 202
$0.24per 10 mg#95 of 202
$23.99#97 of 202
$0.25per 10 mg#97 of 202
High Absorption Zinc Bisglycinate, 50 mg
90 capsules
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$12.99#172 of 202
2.9¢per 10 mg#172 of 202
High Absorption Zinc Bisglycinate 100% Chelated 50 mg
90 capsules
80Good qualityOver the upper limit per servingdrbvitamins.com (opens in a new tab)
$12.99#173 of 202
2.9¢per 10 mg#173 of 202
$15.99#33 of 83
$0.27per 200 mg#33 of 83
$21.99#36 of 83
$0.33per 200 mg#36 of 83
$22.99#39 of 83
$0.34per 200 mg#39 of 83
$25.99#28 of 59
$0.29per 6 mg#28 of 59
$25.99#29 of 59
$0.29per 6 mg#29 of 59
$19.99#25 of 31
$0.31per 300 mg#25 of 31
$19.99#26 of 31
$0.31per 300 mg#26 of 31
$27.99#44 of 56
$0.31per 500 mg#44 of 56
High Potency Bromelain 3000 GDU Per Gram
90 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$27.99#45 of 56
$0.31per 500 mg#45 of 56
$22.99#8 of 10
$0.77per 300 mg#8 of 10
High Absorption Postbiotic Butyrate 300 mg
30 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$22.99#9 of 10
$0.77per 300 mg#9 of 10
$21.99#34 of 47
$0.73per 1,000 mg#34 of 47
$21.99#35 of 47
$0.73per 1,000 mg#35 of 47
$21.99#32 of 65
$0.66per 6 g#32 of 65
$21.99#36 of 65
$0.67per 6 g#36 of 65
$14.99#21 of 52
$0.33per 1,000 mg#21 of 52
$14.99#22 of 52
$0.33per 1,000 mg#22 of 52
$22.99#21 of 22
$0.77per 100 mg#21 of 22
$22.99#22 of 22
$0.77per 100 mg#22 of 22
$9.99#76 of 131
8.3¢per 400 µg#76 of 131
$9.99#77 of 131
8.3¢per 400 µg#77 of 131
$18.99#37 of 134
$0.32per 5 g#37 of 134
$18.99#39 of 134
$0.32per 5 g#39 of 134
$19.99#23 of 35
$0.22per 500 mg#23 of 35
$19.99#24 of 35
$0.22per 500 mg#24 of 35
$14.99#40 of 61
$0.12per 500 mg#40 of 61
$14.99#41 of 61
$0.12per 500 mg#41 of 61
$29.99#66 of 96
$1.25per 500 mg#66 of 96
$29.99#67 of 96
$1.25per 500 mg#67 of 96
$13.99#4 of 10
9¢per 500 mg#4 of 10
$13.99#5 of 10
9¢per 500 mg#5 of 10
$24.99#22 of 30
$0.83per 20 mg#22 of 30
$24.99#23 of 30
$0.83per 20 mg#23 of 30
Sustained-Release Niacin, 500 mg
120 tablets
80Good qualityOver the upper limit per servingvitacost.com (opens in a new tab)
$17.99#65 of 117
0.75¢per 25 mg#65 of 117
Sustained-Release Niacin with niaXtend 500 mg
120 tablets
80Good qualityOver the upper limit per servingdrbvitamins.com (opens in a new tab)
$17.99#66 of 117
0.75¢per 25 mg#66 of 117
$19.99#132 of 134
$2.49per 100 mg#132 of 134
$19.99#133 of 134
$2.49per 100 mg#133 of 134
$12.99#96 of 118
$1.04per 600 mg#96 of 118
$21.99#25 of 388
$0.22per 5 g#25 of 388
$31.99#20 of 36
$0.64per 5 g#20 of 36
$9.99#23 of 108
5.6¢per 18 mg#23 of 108
Prebiotic Powder, Sunfiber, Unflavored
210 g (7.4 oz) · Powder
80Good qualityvitacost.com (opens in a new tab)
$21.99#51 of 117
$0.61per 5 g#51 of 117
Phosphatidylserine with SerinAid 100 mg
120 capsules
80Good qualitydrbvitamins.com (opens in a new tab)
$29.99#11 of 41
$0.25per 100 mg#11 of 41
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