| Nova Scotia Organics Vitamin D3 Tablet | Myco-Biome Group 2025 Inc. dba Nova Scotia Organics | 25 mcg | Canada | Tablets |
| Vitamin D3 | MyTrition | 25 mcg | United States | Capsules |
| Vitamin D3 | MyTrition | 25 mcg | United States | Capsules |
| Source of Life® Animal Parade® Vitamin D3 | Natural Organics Inc. | 12.5 mcg | Canada | Tablets |
| VITAMIN D 1000 IU | Natural Organics Inc. | 25 mcg | Canada | Softgels |
| Vitamin D3 2000 IU | Nature Made | 50 mcg | United States | Capsules |
| Vitamin D3-5000 IU | Nature's Bounty | 125 mcg | United States | Capsules |
| Elderberry D3fense | Nature's Sunshine | 150 mcg | United States | Capsules |
| Vitamins A & D | Nature's Sunshine Products of Canada Ltd. | 10 mcg | Canada | Capsules |
| Chewable D3 50 mcg (2,000 IU) Natural Berry Flavor | Nature's Truth | 50 mcg | United States | Tablets |
| D3 400 IU (10 mcg) | Nature's Truth | 20 mcg | United States | Tablets |
| D3 Baby Drops 400 IU | Nature's Truth | 10 mcg | United States | Liquids |
| Extra Strength Vitamin D3 2,000 IU (50 mcg) Gummies Natural Pineapple Flavor | Nature's Truth | 50 mcg | United States | Gummies |
| High Potency D3 1,000 IU (25 mcg) | Nature's Truth | 25 mcg | United States | Capsules |
| High Potency D3 1,000 IU (25 mcg) | Nature's Truth | 25 mcg | United States | Capsules |
| High Potency D3 10,000 IU (250 mcg) | Nature's Truth | 250 mcg | United States | Capsules |
| High Potency D3 125 mcg (5,000 IU) | Nature's Truth | 125 mcg | United States | Capsules |
| High Potency D3 2,000 IU (50 mcg) | Nature's Truth | 50 mcg | United States | Capsules |
| High Potency D3 5,000 IU (125 mcg) | Nature's Truth | 125 mcg | United States | Capsules |
| High Potency D3 50 mcg (2,000 IU) | Nature's Truth | 50 mcg | United States | Capsules |
| High Potency Vitamin D3 5,000 IU (125 mcg) Gummies Natural Peach Flavor | Nature's Truth | 125 mcg | United States | Gummies |
| Liposomal D3 5,000 IU (125 mcg) | Nature's Truth | 125 mcg | United States | Capsules |
| Liquid D3 125 mcg (5,000 IU) | Nature's Truth | 125 mcg | United States | Liquids |
| Maximum Strength Vitamin D3 10,000 IU (250 mcg) Gummies Natural Peach Mango Flavor | Nature's Truth | 250 mcg | United States | Gummies |
| Vegan Vitamin K2 & D3 Supplement | NATURELO | 125 mcg | US | Other forms |
| L'il Critters Vitamin D | Nature’s Truth Canada Ltd. | 15 mcg | Canada | Other forms |
| L'il Critters Vitamin D3 | Nature’s Truth Canada Ltd. | 10 mcg | Canada | Other forms |
| Vitafusion Vitamin D3 | Nature’s Truth Canada Ltd. | 25 mcg | Canada | Other forms |
| Vitamin D3 | NB Pure | 25 mcg | United States | Liquids |
| D3 2,500 IU | Nested Naturals | 62.5 mcg | United States | Capsules |
| Vitamin D 1,000 IU Tablets | Nestle Canada Inc. dba (Atrium Innovations/Genestra Brands/Pure Encapsulations/Garden of Life Canada/Trophic Canada/SISU/Wobenzym/Bountiful Canada Vitamins/Nature's Bounty/Vital Proteins Canada) | 25 mcg | Canada | Tablets |
| Vitamin D3 1000 IU | Nestle Canada Inc. dba (Atrium Innovations/Genestra Brands/Pure Encapsulations/Garden of Life Canada/Trophic Canada/SISU/Wobenzym/Bountiful Canada Vitamins/Nature's Bounty/Vital Proteins Canada) | 25 mcg | Canada | Liquids |
| Vitamin D3 5000 IU | Noor Vitamins | 125 mcg | United States | Capsules |
| Plant-Based Vitamin D3 Liquid | Nordic Naturals | 25 mcg | United States | Liquids |
| Vitamin D3 1000 | Nordic Naturals | 25 mcg | United States | Capsules |
| Vitamin D3 5000 | Nordic Naturals | 125 mcg | United States | Capsules |
| Baby's Vitamin D3 | Nordic Naturals Inc. | 10 mcg | Canada | Liquids |
| Baby's Vitamin D3 | Nordic Naturals Inc. | 10 mcg | Canada | Liquids |
| Physicorp Vitamin D3 1000 IU (25 Mcg) | Nutrapak Inc. | 25 mcg | Canada | Capsules |
| Liquid Vitamin D | Nutratec Life Sciences Inc. | 25 mcg | Canada | Liquids |
| Nutriboom Vitamin D3 1000 IU | Nutriboom Vitamin Corporation | 25 mcg | Canada | Tablets |
| Vitamin D 1000 IU | Nutricorp International | 25 mcg | Canada | Tablets |
| Vitamin D 400IU | Nutricorp International | 10 mcg | Canada | Tablets |
| Vitamin D3 10,000 IU | Nutricost | 250 mcg | United States | Capsules |
| Vitamin D3 5,000 IU | Nutricost | 125 mcg | United States | Capsules |
| Quick D For Children | NutriStart Vitamin Company Inc. | 12.5 mcg | Canada | Liquids |
| Vitamin D3 Extra | Nutrition House Canada Inc. | 25 mcg | Canada | Tablets |
| Vitamin D 1000 IU | Olds Softgels Ltd. | 25 mcg | Canada | Capsules |
| Vitamin D 400 IU | Olds Softgels Ltd. | 10 mcg | Canada | Capsules |
| Hello Sunshine Vitamin D3 2000 IU Luminous Lemon | OLLY | 50 mcg | United States | Gummies |
| Sunny Vitamin D Luminous Lemon 2000 IU | OLLY | 50 mcg | United States | Gummies |
| Omega Alpha | Vitamin D3 Concentrated Drops (Adults) | Omega Alpha Pharmaceuticals Inc. | 25 mcg | Canada | Other forms |
| Omega Alpha | Vitamin D3 Concentrated Drops (Kids) | Omega Alpha Pharmaceuticals Inc. | 12.5 mcg | Canada | Other forms |
| Daily Vitamin D3 | OneSecond Supplements | 31 mcg | United States | Liquids |
| Sol Food. | Ora | 50 mcg | United States | Tablets |
| Organika Health Products Vitamin D 400 IU Capsules | Organika Health Products Inc. | 10 mcg | Canada | Capsules |
| Infantil Complete | Pediavera Inc | 10 mcg | Canada | Liquids |
| Pharma-D 400 IU Gelcaps | PendoPharm, Division of/de Pharmascience Inc. | 10 mcg | Canada | Capsules |
| Pharma-D 400 IU Tablets | PendoPharm, Division of/de Pharmascience Inc. | 10 mcg | Canada | Tablets |
| Vitamin D3 | Pfizer ProNutrients | 25 mcg | United States | Capsules |