Solgar Vitamin D3 1000 IU (25 mcg)
Premium Cholecalciferol Bio-Form | High-Potency Sunshine Co-Factor | Elite Immune & Bone Density Shield
Solgar Vitamin D3 1000 IU is a high-strength, premium softgel formulation engineered to optimize immune performance, bone architecture, and muscle contraction kinetics. Vitamin D is a unique, fat-soluble hormone-precursor that your body synthesizes naturally through direct skin exposure to sunlight. However, due to seasonal changes, indoor lifestyles, and geographical positioning, over a billion people worldwide suffer from clinically low levels. Solgar delivers this vital nutrient in its cholecalciferol (D3) form—the exact molecular structure your body naturally produces from the sun—which offers vastly superior biological absorption and conversion rates compared to plant-sourced D2 variants. Suspended in a clean oil base, it serves as a critical daily health asset to keep your natural defense grid locked down year-round.

Key Health & Performance Benefits
- Bio-Identical D3 Cholecalciferol: Delivers 1000 IU (25 mcg) of premium Vitamin D3 per softgel, ensuring immediate activation within the liver and kidneys with maximum biological efficiency.
- Immune System Mobilization: Acts as a foundational regulator of your body's immune cells, boosting natural defense metrics to protect your body during heavy training blocks and dark winter months.
- Precision Calcium & Phosphorus Transit: Drives the active absorption of dietary calcium and phosphorus through the intestinal wall, helping to maintain normal blood calcium levels and prevent structural bone thinning.
- Neuromuscular & Lifting Performance: Directly supports skeletal muscle tissue health, optimizing muscle protein contraction, balance, and explosive power output during heavy lifting.
- Skeletal & Dental Density Preservation: Anchors bone mineral density by continuously feeding the skeletal matrix, keeping your teeth and bones structurally resilient against physical impact.
What Is In Solgar Vitamin D3 1000 IU?
Serving Size: 1 Softgel | Servings Per Container: Varies by bottle layout (Standard 100 or 250 Softgel bottles)
| Active Fat-Soluble Nutrient | Value Per 1-Softgel Serving | % Daily Value (DV) | Primary Biological Target |
| Vitamin D3 (as Cholecalciferol) | 25 mcg (1000 IU) | 125% | Immune Cell Regulation, Calcium Uptake & Muscle Kinetics |
Usage & Strategic Timing Protocols

- Standard Dietary Allocation: Take exactly 1 softgel daily to maintain an optimal internal micronutrient baseline.
- The Absorption Window: Because Vitamin D3 is strictly fat-soluble, it requires dietary lipids to trigger proper digestion. Consume your daily softgel alongside a whole-food meal containing healthy fats (such as eggs, meat, nuts, or an olive oil blend) to maximize assimilation into your bloodstream.
- Seasonal Strategy: While critical all year, ensure absolute consistency during the fall and winter months when natural UV sunlight exposure drops significantly.
Ingredients
Safflower Oil, Gelatin, Vegetable Glycerin, Fish Liver Oil, Cholecalciferol.
Allergen Alert: Contains FISH (Cod, Haddock, Pollock). Free from gluten, wheat, dairy, yeast, sugar, salt, artificial flavors, sweeteners, preservatives, or synthetic colors.
Handling & Safety Precautions: Do not exceed the recommended daily allowance. Food supplements must never act as a total substitute for a varied, well-balanced diet and a healthy lifestyle. If you are taking prescription medications, managing an underlying medical issue, or are pregnant or nursing, consult your physician before use. Keep the bottle tightly closed in a cool, dry place out of reach of children.