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Best Immune Support (2026)

Vitamin C, zinc, elderberry, and immune-boosting formulas

21 products reviewed and ranked · Updated February 2026

Our #1 Pick

Sambucol Black Elderberry Gummies

Sambucol · $14-18 · Gummy

"The original black elderberry supplement — backed by clinical research"

Sambucol is the OG elderberry supplement, and the clinical research behind their extraction method gives it credibility that generic elderberry brands lack. The gummy format makes it family-friendly, though capsule forms offer higher potency per serving.

Clinically Studied Gluten Free Vegetarian

Full Rankings

#	Product	Price	Amazon	Rating
1	Sambucol Black Elderberry Gummies Sambucol · Gummy	$14-18	4.6 32,000+	8.0
2	Sambucol Black Elderberry Syrup Sambucol · Liquid Syrup	$14-18	4.7 35,000+	8.2
3	Emergen-C 1000mg Vitamin C Packets Emergen-C · Powder Packet	$10-14	4.7 85,000+	7.5
4	NOW Foods Quercetin with Bromelain NOW Foods · Capsule	$18-24	4.6 18,000+	8.5
5	Nature's Way Sambucus Elderberry Gummies Nature's Way · Gummy	$14-18	4.7 65,000+	8.4
6	Emergen-C 1000mg Vitamin C Powder Emergen-C · Powder (Packets)	$10-14	4.7 88,000+	7.0
7	Zhou Nutrition Elderberry Gummies Zhou Nutrition · Gummy	$14-18	4.5 32,000+	7.2
8	Zhou Elderberry Gummies Zhou Nutrition · Gummy	$14-18	4.5 22,000+	7.6
9	Zhou Nutrition Elderberry Syrup Zhou Nutrition · Liquid Syrup	$16-22	4.5 18,000+	8.1
10	Ancestral Supplements Grass Fed Bone Marrow Ancestral Supplements · Capsule	$38-46	4.5 8,000+	7.8
11	Nature Made Vitamin C 1000mg (150 Tablets) Nature Made · Tablet	$12-16	4.8 32,400+	8.5
12	NOW NAC 600mg (250 Veg Capsules) NOW Foods · Veg Capsule	$22-28	4.6 22,400+	8.7
13	NOW Vitamin C-1000 with Rose Hips (250 Tablets) NOW Foods · Tablet	$14-18	4.7 42,400+	8.5
14	Host Defense Stamets 7 Mushroom Complex Host Defense · Capsule	$22-28	4.4 10,000+	7.8
15	Zhou Nutrition Elderberry Gummies Zhou Nutrition · Gummy	$14-18	4.5 15,000+	7.8
16	NOW Quercetin with Bromelain (240 Veg Capsules) NOW Foods · Veg Capsule	$28-34	4.6 18,200+	8.6
17	Real Mushrooms 5 Defenders Organic (90 Capsules) Real Mushrooms · Capsule	$28-34	4.6 4,200+	8.5
18	Nutricost Vitamin C 1000mg (240 Capsules) Nutricost · Capsule	$14-18	4.7 18,200+	8.3
19	NOW Oregano Oil Enteric Coated (90 Softgels) NOW Foods · Softgel	$14-18	4.5 8,200+	8.3
20	NOW Olive Leaf Extract 500mg (120 Veg Capsules) NOW Foods · Veg Capsule	$14-18	4.6 8,200+	8.3
21	Ancestral Supplements Grass Fed Beef Colostrum (180 Capsules) Ancestral Supplements · Capsule	$44-52	4.5 3,200+	8.4

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