Two Ester-C products, different formulas
If you're looking at Solgar's Ester-C line, you'll find two products that share the same patented, non-acidic vitamin C base but serve different purposes. The Ester-C Plus Immune Complex Softgels bundle immune support nutrients with botanical ingredients, while the Ester-C Plus 1000 mg Vitamin C Tablets deliver a straightforward, high-strength vitamin C dose. Choosing between them comes down to whether you want a multi-ingredient immune formula or a pure vitamin C supplement.
What each formula contains
- Ester-C Plus Immune Complex Softgels - Pack of 60: Ester-C Plus Immune Complex provides vitamins A, B6, B12, C, D3, folate, zinc, and botanical ingredients elderberry, echinacea, and astragalus. This is a comprehensive immune support formula with multiple nutrients and botanicals, not just vitamin C.

Ester-C Plus Immune Complex Softgels - Pack of 60 - Ester-C Plus 1000 mg Vitamin C Tablets: Ester-C Plus 1000 mg Vitamin C Tablets deliver 1000 mg of Ester-C per serving and include natural plant bioflavonoids. This is a high-strength vitamin C supplement with added bioflavonoids, but without the extra immune nutrients or botanicals.

Ester-C Plus 1000 mg Vitamin C Tablets
The key difference: comprehensive vs. focused
The Immune Complex is a multi-ingredient formula designed to support immune function through several pathways: it includes zinc for immune cell development and skin barrier support, vitamin D3 (the "sunshine vitamin" that may be inadequate when sun exposure is limited), and botanicals with a long history of use. The Vitamin C Tablets, by contrast, focus solely on providing a high dose of Ester-C plus bioflavonoids. They support immune function, collagen formation, and reduction of tiredness and fatigue, but don't include the additional nutrients or botanicals.
At a glance
- Vitamin C per serving: Immune Complex: 1000 mg Ester-C. Vitamin C Tablets: 1000 mg Ester-C.
- Additional immune nutrients: Immune Complex: vitamins A, B6, B12, D3, folate, zinc. Vitamin C Tablets: none beyond vitamin C.
- Botanical ingredients: Immune Complex: elderberry, echinacea, astragalus. Vitamin C Tablets: natural plant bioflavonoids only.
- Form: Immune Complex: softgels. Vitamin C Tablets: tablets (available in 30- and 90-count bottles).
- Price (catalog): Immune Complex (60 softgels): USD 15.30. Vitamin C Tablets (30 tablets): USD 10.88.
Which should you choose?
If you want a single supplement that covers multiple immune-supporting nutrients and botanicals, the Immune Complex is the more complete option. If you prefer a straightforward, high-dose vitamin C supplement and already get other nutrients from your diet or other products, the Vitamin C Tablets are a simpler and more affordable choice. Both use Solgar's patented Ester-C, which is pH neutral and gentle on the stomach, and both are designed for daily immune support.


