Immune Support

Strengthen Your Natural Defenses Year-Round

The Immune Support collection at Salerno Vitamins includes doctor-formulated supplements by Dr. John Salerno designed to help maintain a resilient immune system. Featuring essential vitamins, minerals, and botanicals—such as vitamin C, zinc, and elderberry—these formulas work to support immune function, antioxidant activity, and overall wellness. Whether you're looking for daily protection or seasonal reinforcement, this collection offers trusted support to keep you feeling your best.

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6 products

GI FactorGI Factor
GI Factor

Promotes gastrointestinal health and comfort.

Sale price$ 48.90
Salerno Daily EssentialsSalerno Daily Essentials
Salerno Daily Essentials

Comprehensive daily multivitamin for overall wellness.

Sale price$ 139.90
Vitamin C FactorVitamin C Factor
Vitamin C Factor

Potent antioxidant supporting immune health.

Sale price$ 75.00
Ultra Probiotic FactorUltra Probiotic Factor
Ultra Probiotic Factor

High-potency probiotics for digestive support.

Sale price$ 112.00
L-GlutathioneL-Glutathione
L-Glutathione

Powerful antioxidant for detoxification support.

Sale price$ 47.90
Seasonal FactorSeasonal Factor
Seasonal Factor

Supports respiratory health during seasonal changes.

Sale price$ 71.00