Ultra Preventive® III (Capsules)

Ultra Preventive® III provides a comprehensive vitamin/mineral/trace element formula with bioavailable nutrient forms to support optimal health and wellness. Featuring Vitamin K2 for bone and vascular health, three forms of vitamin B12 for mitochondrial energy and methylation support, Metafolin® L-5-MTHF folate and choline for the homocysteine-methionine cycle, and antioxidants for immune and cellular health.‡ The capsule version of Ultra Preventive® III contains half the dose amount per serving compared to the tablets.‡
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.douglaslabs.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.
Supplement Facts
| Amount Per Serving | |
| Serving Size: 6 Capsules • Servings Per Container: 30 | |
| Vitamin A | 3,750 mcg |
| (30% [1,125 mcg] as vitamin A acetate / 70% [2,625 mcg] as beta-carotene) | |
| Vitamin C (as ascorbic acid) | 500 mg |
| Vitamin D3 (as cholecalciferol) | 12.5 mcg (500 IU) |
| Vitamin E (as d-alpha tocopherol succinate) | 67 mg |
| Thiamine (as thiamine HCl) | 25 mg |
| Riboflavin | 20 mg |
| Niacin / Niacinamide | 95 mg |
| Vitamin B6 (as pyridoxine HCl / P-5-P complex) | 25 mg |
| Folate (as Metafolin®, L-5-MTHF) | 667 mcg DFE (400 mcg L-5-MTHF) |
| Vitamin B12 (methyl / hydroxy / adenosylcobalamin) | 90 mcg |
| Biotin | 150 mcg |
| Pantothenic Acid (as d-calcium pantothenate) | 50 mg |
| Choline (from choline bitartrate) | 50 mg |
| Calcium (citrate / amino acid chelate) | 175 mg |
| Iodine (as potassium iodide) | 100 mcg |
| Magnesium (citrate / amino acid chelate) | 175 mg |
| Zinc (as OptiZinc® monomethionine) | 12.5 mg |
| Selenium (as selenium krebs complex) | 100 mcg |
| Manganese (as manganese sulfate) | 1.5 mg |
| Chromium (as chromium polynicotinate) | 100 mcg |
| Molybdenum (as molybdenum krebs complex) | 50 mcg |
| Potassium (as potassium chloride) | 50 mg |
| Betaine (as betaine HCl) | 50 mg |
| Inositol | 50 mg |
| PABA (para-aminobenzoic acid) | 25 mg |
| Boron (as boron citrate) | 0.75 mg |
| Trace Mineral Complex (from seawater) | 50 mcg |
| Vanadium (as vanadium krebs complex) | 25 mcg |
| Vitamin K2 (as menaquinone-7) | 22.5 mcg |
| Other ingredients: Hydroxypropyl methylcellulose (capsule), microcrystalline cellulose, hydroxypropyl cellulose, ascorbyl palmitate, silica | |
|
Krebs = citrate, fumarate, malate, glutarate and succinate complex. Metafolin® is a registered trademark of Merck KGaA, Darmstadt, Germany. OptiZinc® is a trademark of Lonza. |
|
Ultra Preventive® III provides a comprehensive vitamin/mineral/trace element formula with bioavailable nutrient forms to support optimal health and wellness. Featuring Vitamin K2 for bone and vascular health, three forms of vitamin B12 for mitochondrial energy and methylation support, Metafolin® L-5-MTHF folate and choline for the homocysteine-methionine cycle, and antioxidants for immune and cellular health.‡ The capsule version of Ultra Preventive® III contains half the dose amount per serving compared to the tablets.‡
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.douglaslabs.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.
Supplement Facts
| Amount Per Serving | |
| Serving Size: 6 Capsules • Servings Per Container: 30 | |
| Vitamin A | 3,750 mcg |
| (30% [1,125 mcg] as vitamin A acetate / 70% [2,625 mcg] as beta-carotene) | |
| Vitamin C (as ascorbic acid) | 500 mg |
| Vitamin D3 (as cholecalciferol) | 12.5 mcg (500 IU) |
| Vitamin E (as d-alpha tocopherol succinate) | 67 mg |
| Thiamine (as thiamine HCl) | 25 mg |
| Riboflavin | 20 mg |
| Niacin / Niacinamide | 95 mg |
| Vitamin B6 (as pyridoxine HCl / P-5-P complex) | 25 mg |
| Folate (as Metafolin®, L-5-MTHF) | 667 mcg DFE (400 mcg L-5-MTHF) |
| Vitamin B12 (methyl / hydroxy / adenosylcobalamin) | 90 mcg |
| Biotin | 150 mcg |
| Pantothenic Acid (as d-calcium pantothenate) | 50 mg |
| Choline (from choline bitartrate) | 50 mg |
| Calcium (citrate / amino acid chelate) | 175 mg |
| Iodine (as potassium iodide) | 100 mcg |
| Magnesium (citrate / amino acid chelate) | 175 mg |
| Zinc (as OptiZinc® monomethionine) | 12.5 mg |
| Selenium (as selenium krebs complex) | 100 mcg |
| Manganese (as manganese sulfate) | 1.5 mg |
| Chromium (as chromium polynicotinate) | 100 mcg |
| Molybdenum (as molybdenum krebs complex) | 50 mcg |
| Potassium (as potassium chloride) | 50 mg |
| Betaine (as betaine HCl) | 50 mg |
| Inositol | 50 mg |
| PABA (para-aminobenzoic acid) | 25 mg |
| Boron (as boron citrate) | 0.75 mg |
| Trace Mineral Complex (from seawater) | 50 mcg |
| Vanadium (as vanadium krebs complex) | 25 mcg |
| Vitamin K2 (as menaquinone-7) | 22.5 mcg |
| Other ingredients: Hydroxypropyl methylcellulose (capsule), microcrystalline cellulose, hydroxypropyl cellulose, ascorbyl palmitate, silica | |
|
Krebs = citrate, fumarate, malate, glutarate and succinate complex. Metafolin® is a registered trademark of Merck KGaA, Darmstadt, Germany. OptiZinc® is a trademark of Lonza. |
|