BioStacks
XtendLife

VasQFlow

3 Capsules · 30 servings · $1.60/serving

iHerbAmazon

Best for

Immune

Ingredients (11)

Potassium

100%

Dose

160 mg

Target

99–500 mg

Form

—

Grape Seed Extract

100%

Dose

300 mg

Target

150–600 mg

Form

—

Quercetin

100%

Dose

500 mg

Target

500–1000 mg

Form

—

Vitamin C

90%

Dose

45 mg

Target

50–250 mg

Form

Standard

Vitamin D

40%

Dose

400 IU

Target

1000–5000 IU

Form

Premium

Other Ingredients (1)

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Track this supplement in your stack

Get personalized insights, interactions, and coverage recommendations.

Get Started Free

Similar Supplements

Products that cover similar health dimensions based on their ingredients.

Daily C + Citrus Flavor

Life Extension

Daily C + Citrus Flavor

🛡️ for Immune

57
Vitamin C-PAK with Quercetin

Dr. Mercola

Vitamin C-PAK with Quercetin

🛡️ for Immune

49
Men's Multivitamin Gummies (Papaya Orange)

MaryRuth Organics

Men's Multivitamin Gummies (Papaya Orange)

🛡️ for Immune

47
Organic Prenatal & Postnatal Multivitamin Gummies (Strawberry)

MaryRuth Organics

Organic Prenatal & Postnatal Multivitamin Gummies (Strawberry)

🤰 for Pregnancy

46
Women's Multivitamin Gummies

MaryRuth Organics

Women's Multivitamin Gummies

🛡️ for Immune

44

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.

BioStacks

Know exactly what's in your supplements.

Navigate

  • Home
  • App Store
  • Google Play

Resources

  • Terms of Service
  • Privacy Policy

Explore

  • Health Areas
  • Best Supplements
  • Nutrients
  • All Supplements

Popular Picks

  • Best Magnesium for Sleep
  • Best Collagen for Skin
  • Best Creatine for Muscle
  • Best Vitamin D for Bone Health
  • Best Probiotics for Digestion
  • Best CoQ10 for Heart
© 2026 BioStacks. All rights reserved. Not medical advice.