BioStacks
Source Naturals

GastricSoothe

2 Capsules × 2/day · 15 servings · $0.87/serving

iHerbAmazon

Best for

Immune

Ingredients (2)

Zinc

100%

Dose/day

32 mg

Target

15–30 mg

Form

Premium

Zinc L-Carnosine

100%

Dose/day

150 mg

Target

37.5–75 mg

Form

Premium

Other Ingredients (4)

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

HypromelloseCapsule

Plant-derived capsule material from cellulose

How to Take It

Take it anytime

Take with food — on an empty stomach it commonly causes nausea.

With food
Space it a couple of hours from Iron and Calcium
Split into 2 doses across the day

On the label

2 capsules twice daily 2 following breakfast and 2 before going to bed. For best results take for at least 8 weeks, decrease intake of acidic or spicy foods, reduce stress, quit smoking, and restrict alcohol consumption.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$12.98

$10$20$50

Cheaper than 65% of 210 zinc supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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