Common labeled doses range from about 2,000 IU (50 mcg) up to 5,000 IU (125 mcg) per serving. Many extra‑strength products are labeled at 5,000 IU, while some liquid or measured‑dose options are shown around 4,000 IU; lower extra‑strength formulas may be about 2,000 IU.
Extra‑strength vitamin D is sold in multiple forms, including softgels, capsules, gummies, fast‑dissolve or chewable tablets, and liquid drops.
Supply varies by form: softgels commonly come in 90‑day or 180‑day counts; gummies often provide about 40–75 days; fast‑dissolve tablets may show ~70 days; and some bottles are labeled as 30 or 60 servings. Exact supply depends on the product’s serving size and dosing instructions.
Directions vary by form but are similar in intent: many softgels instruct one softgel daily with a meal; gummies often recommend two gummies daily; fast‑dissolve tablets typically advise dissolving one tablet in the mouth once daily; and liquid drops specify a measured once‑daily mL or drop dose.
Some extra‑strength formulas combine vitamin D3 with vitamin K2 to support calcium utilization. Other products include joint‑support ingredients such as glucosamine and chondroitin or add herbal extracts; offerings vary by product.
Liquid drops typically use a measured dropper or mL dose and in the results were shown delivering around 4,000 IU per measured serving. Tablets, softgels, and gummies are usually pre‑measured per piece and many extra‑strength solid forms in the results are labeled at about 5,000 IU per serving; solids are available as chewable or swallowable formats.