BioStacks
Solaray

Reacta C with Black Elderberry

1 Capsule · 120 servings · $0.17/serving

34 / 100Poor

Best for

Score Breakdown

Formulation
39
Safety
87
Final score
34/100

Ingredients (8)

Vitamin C

100%

Dose

500 mg

Target

250–2000 mg

Form

Not listed

Black Elderberry (Sambucus nigra) (berry) extract

67%

Dose

200 mg

Target

300–600 mg

Form

Indole-3-Carbinol

Amount not found

Rutin concentrate

Amount not found

Vitamin C Support Base

25 mg

Not in our database

Other Ingredients (5)

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

Calcium CarbonateBuffer

Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements

HypromelloseCapsule

Plant-derived capsule material from cellulose

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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.