1,164 Immune-supportive foods in stock at San Marcos Supercenter (San Marcos, TX)
1,164 immune-supportive foods were in stock at this Walmart on Aug 5, 2026, out of 18,964 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 1,164
1.Fresh Hass Avocados, Each
$0.48- Cals
- 322
- Protein
- 4g
- Carbs
- 17g
- Fat
- 29g
- Vitamin C
- 19mg
- Vitamin D
- 0mcg
- Zinc
- 2.1mg
- Selenium
- 0mcg
per 1 avocado (201g)
Aisle: STOREAlso at 442 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 19mg per serving
- vitamin D: 0mcg per serving
- zinc: 2.1mg per serving
2.Tostitos Chunky Habanero Salsa, No Artificial Colors, No Artificial Flavors, 15.5 oz Jar
$3.98- Cals
- 10
- Protein
- 0g
- Carbs
- 2g
- Fat
- 0g
- Vitamin C
- 0mg
- Vitamin D
- 0mcg
per 2 Tbsp (35g)
Aisle: STOREAlso at 442 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 0mg per serving
- vitamin D: 0mcg per serving
- zinc: unknown
3.Geisha Canned Smoked Baby Clams, in Sunflower Oil, 3.75 Oz (106g), Ready to Eat in an Easy Open Can
$2.82- Cals
- 190
- Protein
- 15g
- Carbs
- 6g
- Fat
- 11g
- Vitamin D
- 13mcg
per 1 can (85g)
Aisle: STOREAlso at 28 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: unknown
- vitamin D: 13mcg per serving
- zinc: unknown
4.Chicken of the Sea Chunk Light Tuna in Water, 12 oz
$2.58- Cals
- 70
- Protein
- 16g
- Carbs
- 0g
- Fat
- 0g
- Zinc
- 0.5mg
- Selenium
- 50mcg
per 3 oz drained (85g / about 1/3 cup)
Aisle: STOREAlso at 30 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: unknown
- vitamin D: unknown
- zinc: 0.5mg per serving
5.Clint's Texas Salsa - Hot, 16 oz
$3.62- Cals
- 10
- Protein
- 0g
- Carbs
- 2g
- Fat
- 0g
- Vitamin C
- 9mg
per 2.00 tbsp
Aisle: STOREAlso at 7 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 9mg per serving
- vitamin D: unknown
- zinc: unknown
6.Chicken of the Sea Solid White Premium Albacore Tuna in Water 12 oz
$3.92- Cals
- 130
- Protein
- 29g
- Carbs
- 0g
- Fat
- 1g
- Vitamin C
- 0mg
- Vitamin D
- 2.2mcg
- Selenium
- 126.5mcg
per 1 can drained (113g)
Aisle: STOREAlso at 28 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 0mg per serving
- vitamin D: 2.2mcg per serving
- zinc: unknown
7.El Mexicano Pinto Beans, 4 lb Bag
$6.58- Cals
- 125
- Protein
- 7.7g
- Carbs
- 22.5g
- Fat
- 0.4g
- Vitamin C
- 2.3mg
- Vitamin D
- 0mcg
- Zinc
- 0.8mg
- Selenium
- 10mcg
per 1/4 cup (36g)
Aisle: STOREAlso at 30 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 2.3mg per serving
- vitamin D: 0mcg per serving
- zinc: 0.8mg per serving
8.California Girl Cal Girl Pacific Premium Mackerel
$2.56- Cals
- 90
- Protein
- 13g
- Carbs
- 0g
- Fat
- 3g
- Vitamin C
- 0.5mg
- Vitamin D
- 4mcg
- Zinc
- 0.6mg
- Selenium
- 21.1mcg
per 2 oz (56g)
Aisle: STOREAlso at 28 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 0.5mg per serving
- vitamin D: 4mcg per serving
- zinc: 0.6mg per serving
9.Chicken of the Sea Solid White Pure Albacore Tuna, No Drain 4 oz
$2.17- Cals
- 150
- Protein
- 32g
- Carbs
- 0g
- Fat
- 2.5g
- Vitamin D
- 5mcg
per 1 can drained (113g)
Aisle: STOREAlso at 28 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: unknown
- vitamin D: 5mcg per serving
- zinc: unknown
10.Wendy's No Beans Chili , 15 oz
$5.48- Cals
- 451
- Protein
- 33g
- Carbs
- 25g
- Fat
- 24g
- Vitamin C
- 8.9mg
- Vitamin D
- 0mcg
per 1 can (425g)
Aisle: STOREAlso at 35 of 442 Walmart storesPriced below this chain's average.
Why it's immune-supportive
- vitamin C: 8.9mg per serving
- vitamin D: 0mcg per serving
- zinc: unknown
See all 1,164 immune-supportive foods at San Marcos Supercenter
1,154 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.