Seasonal Shield®: My Practical Guide to Seasonal Immune Support (and Breathing Easier)
When seasonal changes hit pollen, dust, shifting temperatures, and dry indoor air, our bodies can feel it fast. For me, “seasonal support” isn’t just about avoiding the sniffles. It’s about supporting my immune system and helping my body stay comfortable amid environmental challenges.
That’s where Seasonal Shield® comes in. It’s an advanced, broad-spectrum nutritional formula designed to provide comprehensive support for seasonal environmental challenges and help support the body’s immune response.*
At its core, it combines foundational immune nutrients vitamin C, vitamin D3, and zinc with a targeted blend of ingredients known for supporting mucus consistency and histamine balance, plus antioxidant support.*
Why I like a “broad-spectrum” approach for seasonal support
Seasonal issues are rarely just one thing. They can involve immune reactivity, histamine response, and airway mucus behavior. Seasonal Shield® is built to support multiple angles at once:
Immune response support with Vitamin C, D3, and Zinc*
Histamine support and healthy mucus viscosity with Quercetin, Bromelain, and Nettle extract*
Antioxidant and tissue support with NAC (for glutathione support) and plant polyphenols*
Instead of chasing symptoms, I prefer supporting systems, especially during the months when my body tends to be more reactive.
The “foundation” nutrients: C + D3 + Zinc
These three show up in so many immune formulas for a reason.
Vitamin C is a classic immune-support nutrient and antioxidant.*
Vitamin D3 supports immune regulation and is especially relevant during months with less sunlight.*
Zinc is involved in many immune functions and is commonly used as foundational immune support.*
Seasonal Shield® specifically describes these nutrients as chosen for their synergistic ability to support the body’s immune response.*
Targeted seasonal comfort: Quercetin, Bromelain & Nettle
Seasonal Shield® includes three ingredients often used when the goal is to stay comfortable during environmental challenges:
Quercetin is included for its role in seasonal support and histamine balance.*
Bromelain is an enzyme commonly used in formulas aimed at sinus and respiratory comfort.*
Nettle root extract is often included for seasonal histamine support.*
In this formula, these ingredients are included because they’ve been shown to help promote healthy mucus viscosity and support histamine levels, two things many of us care about as seasons shift.*
NAC: Support for glutathione (your master antioxidant)
One standout ingredient here is N-Acetyl L-Cysteine (NAC), a unique form of the amino acid L-cysteine. Seasonal Shield® notes that NAC has been shown to support healthy glutathione (GSH) levels in tissues.* Glutathione is one of the body’s most important antioxidants, and I personally like seeing glutathione support included in seasonal formulas especially when environmental stressors are higher.
What else is in the blend (and why it matters)
Seasonal Shield® rounds out the formula with:
Citrus bioflavonoids to complement vitamin C and provide plant-based support*
Indian frankincense (Boswellia serrata) for broader inflammatory and tissue support*
Grape seed extract (polyphenols) for additional antioxidant support*
Betaine HCl in a small amount to support the overall formula function
It’s a “kitchen sink” seasonal blend—but thoughtfully put together.
Seasonal Shield® ingredients list (Four Capsules Contain)
Vitamin C (as ascorbic acid) — 200 mg
Vitamin D₃ (as cholecalciferol) (1,000 IU) — 25 mcg
Zinc (as zinc methionate) — 25 mg
Quercetin Dihydrate — 500 mg
Indian Frankincense (Boswellia serrata) (resin) extract (65% boswellic acids) — 300 mg
Nettle (Urtica dioica) (root) extract — 300 mg
N-Acetyl-L-Cysteine (NAC) — 250 mg
Citrus Bioflavonoids (Citrus spp.) (from citrus (fruit) extract) — 222 mg
Bromelain (2400 GDU/g) — 200 mg
Grape (Vitis vinifera) (seed) extract (95% polyphenols) — 20 mg
Betaine (as betaine hydrochloride) — 15 mg
Other Ingredients: Hydroxypropyl methylcellulose (vegetable capsule), magnesium stearate, silicon dioxide.
Does Not Contain: Milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, soy.
Sourced from non-GMO ingredients.
Caution + storage
Caution: Keep out of reach of children.
Storage: Keep tightly closed in a cool, dry place.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
