1,441 Immune-supportive foods in stock at Castroville Supercenter (Castroville, TX)
1,441 immune-supportive foods were in stock at this Walmart on Oct 17, 2026, out of 22,055 items we track here. The picks below are specific to this store: what is on sale here, where it sits, and what it costs at this address.
Foods carrying the nutrients most associated with immune function in the NIH dietary factsheets: vitamins C and D, zinc and selenium.
This is a filter over nutrition labels and ingredient lists, not medical advice and not a recommendation. It reflects published dietary guidance for a condition; it cannot account for your own situation, medication or tolerances. Talk to a doctor or a registered dietitian about your diet.
How every item below qualifies
Provides at least one immune-supportive nutrient (vitamin C/D/A, zinc, or selenium) at ≥10% DV, or contributes via fermented/probiotic signal; not alcoholic, ultra-processed, or sugar-sweetened.
Showing 10 of 1,441
1.Fresh Jalapenos, Each
$0.17- Cals
- 4
- Protein
- 0.1g
- Carbs
- 0.9g
- Fat
- 0.1g
- Vitamin C
- 17mg
- Vitamin D
- 0mcg
- Zinc
- 0mg
- Selenium
- 0.1mcg
per 1 pepper (14g)
Aisle: STOREAlso at 586 of 586 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 17mg per serving
- vitamin D: 0mcg per serving
- zinc: 0mg per serving
2.Fresh Honeycrisp Apples, 3 lb Bag
$3.28- Cals
- 95
- Protein
- 0.5g
- Carbs
- 25g
- Fat
- 0.3g
- Vitamin C
- 9.9mg
per 1 medium apple (182g)
Aisle: STOREAlso at 586 of 586 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 9.9mg per serving
- vitamin D: unknown
- zinc: unknown
3.Fresh Whole White Mushrooms, 8 oz
$0.98- Cals
- 22
- Protein
- 3g
- Carbs
- 3.2g
- Fat
- 0g
- Vitamin C
- 2.1mg
- Vitamin D
- 0.2mcg
- Zinc
- 0.5mg
- Selenium
- 9.3mcg
per 100 g
Aisle: STOREAlso at 586 of 586 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 2.1mg per serving
- vitamin D: 0.2mcg per serving
- zinc: 0.5mg per serving
4.Fresh Acorn Squash, Each
$1.50- Cals
- 115
- Protein
- 2.3g
- Carbs
- 30g
- Fat
- 0.3g
- Vitamin C
- 22.1mg
- Vitamin D
- 0mcg
- Zinc
- 0.5mg
- Selenium
- 1mcg
per 1 cup cubed (205g)
Aisle: STOREAlso at 553 of 586 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 22.1mg per serving
- vitamin D: 0mcg per serving
- zinc: 0.48mg per serving
5.Bumble Bee Chunk Light Tuna in Water, Wild Caught Skipjack Tuna, Gluten-Free, 5 oz
$1.18- Cals
- 110
- Protein
- 23g
- Carbs
- 1g
- Fat
- 1g
- Vitamin D
- 0mcg
- Selenium
- 46mcg
per 1 can drained (113g)
Protein for the money · 19.5 g per $Aisle: STOREAlso at 586 of 586 Walmart storesWhy it's immune-supportive
- vitamin C: unknown
- vitamin D: 0mcg per serving
- zinc: unknown
6.Top Round Beef for Milanesa, 7 per Tray, Fresh, 0.95 - 2.3 lb
$14.99- Cals
- 180
- Protein
- 25g
- Carbs
- 0g
- Fat
- 9g
- Vitamin C
- 0mg
- Zinc
- 4.3mg
- Selenium
- 25.9mcg
per 4 oz (112g)
Aisle: STOREAlso at 585 of 586 Walmart storesWhy it's immune-supportive
- vitamin C: 0mg per serving
- vitamin D: unknown
- zinc: 4.32mg per serving
7.Perdue Harvestland, Free Range, Fresh Whole Chicken with Giblets, 3.5-7.3 lbs.
$9.78- Cals
- 240
- Protein
- 21g
- Carbs
- 0g
- Fat
- 17g
- Vitamin C
- 2mg
per 4 oz (112g)
Protein for the money · 47 g per $Aisle: STOREAlso at 484 of 586 Walmart storesWhy it's immune-supportive
- vitamin C: 2mg per serving
- vitamin D: unknown
- zinc: unknown
8.Marketside Farm Raised Skinless Tilapia Fillets, Fresh Never Frozen, 0.8 - 1.25 lb
$8.14- Cals
- 110
- Protein
- 23g
- Carbs
- 0g
- Fat
- 2g
- Vitamin D
- 3mcg
per 4 oz (112g)
Aisle: STOREAlso at 579 of 586 Walmart storesWhy it's immune-supportive
- vitamin C: unknown
- vitamin D: 3mcg per serving
- zinc: unknown
9.Pork Center Cut Loin Chops Boneless, 4 count, 1.07 - 1.449 lb Tray
$8.83- Cals
- 213
- Protein
- 31g
- Carbs
- 0g
- Fat
- 10g
- Vitamin C
- 0mg
- Vitamin D
- 0.5mcg
- Zinc
- 2.2mg
- Selenium
- 47mcg
per 1 chop (143g)
Aisle: STOREAlso at 585 of 586 Walmart storesWhy it's immune-supportive
- vitamin C: 0mg per serving
- vitamin D: 0.5mcg per serving
- zinc: 2.2mg per serving
10.Smithfield Split Pork Pig feet, 2.80 - 4.90 lb, (Fresh)
$16.46- Cals
- 265
- Protein
- 25g
- Carbs
- 0g
- Fat
- 18g
- Vitamin C
- 0mg
- Vitamin D
- 0mcg
- Zinc
- 1.2mg
- Selenium
- 25.5mcg
per 4 oz (112g)
Protein for the money · 23.7 g per $Aisle: STOREAlso at 557 of 586 Walmart storesWhy it's immune-supportive
- vitamin C: 0mg per serving
- vitamin D: 0mcg per serving
- zinc: 1.2mg per serving
See all 1,441 immune-supportive foods at Castroville Supercenter
1,431 more, with live stock, aisle and price when available.
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Nutrition, price and stock data come from retailer listings and are refreshed on a schedule; they can be out of date. Check the package and the shelf tag before buying. Fitnibz does not provide medical advice.