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We believe transparency builds trust. Below, you’ll find exactly why each ingredient is included, the form we chose, and how it supports your health both individually and as part of a larger system.
Why liposomal vitamin C instead of regular ascorbic acid?
ZSAZA uses VitaSomal C™, a patented liposomal vitamin C that delivers 27% higher bioavailability than standard ascorbic acid. The liposomal coating encapsulates vitamin C in a phospholipid layer that shields it through digestion, so significantly more reaches immune cells intact — supporting up to 24 hours of sustained immune-cell activation while remaining gentle on the stomach.
higher bioavailability vs standard vitamin C
of sustained immune-cell activation
Research references
What form of vitamin D is best for immune support?
ZSAZA uses VEGD3®, a plant-based cholecalciferol (vitamin D3) derived from algae, which is chemically identical to the form produced in human skin through sunlight exposure. Vitamin D3 is approximately 87% more effective than vitamin D2 at raising and maintaining blood levels, and clinical research shows it can restore deficient levels within one week — making it one of the most reliable nutrients for immune regulation.
more potent than Vitamin D2
deficient levels of Vitamin D are restored
Research references
Why is vitamin A important for immune defense?
Vitamin A plays a foundational role in immune defense by maintaining the integrity of barrier tissues in the respiratory tract, gut lining, and skin — the body’s first line of protection against pathogens. ZSAZA uses retinyl acetate, a stable and highly bioavailable form that efficiently converts to active retinol in the body, supporting both innate immune response and tissue repair.
Research references
What is L-selenomethionine and why is it used?
L-selenomethionine is a bioavailable, food-form of selenium that integrates directly into proteins in the body, allowing it to be stored and utilized efficiently. ZSAZA uses Selenium Select®, a premium form that supports the production of antioxidant enzymes like glutathione peroxidase, helping protect immune cells from oxidative stress during immune activation.
Research references
What is the most bioavailable form of zinc for immune support?
ZSAZA uses zinc bisglycinate chelate, a highly absorbable form where zinc is bound to two glycine molecules, allowing it to be transported through amino acid pathways in the gut. This form demonstrates up to 43% higher absorption than zinc gluconate and is significantly gentler on digestion, while supporting immune cell activation, tissue repair, and antiviral defense.
higher absorption than the zinc gluconate found in other supplements
Research references
What is beta-glucan and how does it support the immune system?
Beta-glucan is a naturally occurring fiber found in yeast cell walls that is recognized by immune cell receptors as a signal to activate defense mechanisms. ZSAZA uses PureMune®, a 1,3/1,6 beta-glucan with a specific structure clinically shown to activate innate immune responses within approximately 3 hours, helping the body respond faster to potential threats.
within just ~3 hours
Research references
Does elderberry help with immune support?
Elderberry has been studied for its ability to support immune response and reduce the duration and severity of symptoms during seasonal challenges. ZSAZA uses organic Sambucus nigra whole-fruit extract processed without solvents, preserving the full spectrum of anthocyanins and polyphenols that contribute to its immune-modulating effects.
Research references
Why include prebiotic fiber in an immune supplement?
Partially hydrolyzed guar fiber (PHGG) is a clinically studied prebiotic fiber that nourishes beneficial gut bacteria without causing bloating or digestive discomfort. ZSAZA includes this low-FODMAP fiber to support the gut-immune axis, recognizing that a significant portion of immune activity originates in the gut microbiome.
Research references
What is aronia (black chokeberry) and what are its benefits?
Aronia, also known as black chokeberry, is a polyphenol-rich fruit with one of the highest antioxidant capacities among berries. ZSAZA uses whole-fruit aronia, including skins, to deliver a concentrated source of anthocyanins that support cellular protection and help regulate inflammatory responses during immune activation.
Research references
Why use honey as a supplement base?
Honey is more than a sweetener — it is a bioactive substance containing naturally occurring enzymes, antioxidants, and antimicrobial compounds. ZSAZA uses minimally processed honey as a delivery matrix that enhances taste, improves compliance, and helps the body more readily absorb and tolerate nutrients.
Research references
