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Acid-A-Cal Formula

product on market Capsule Nature's Way Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains calcium and magnesium, which have strong evidence for supporting bone health and muscle function. Vitamin C and B6 provide metabolic and antioxidant support, though the overall evidence coverage for this specific combination is limited. The profile maintains a high safety score with no significant concerns noted.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Acid-A-Cal Formula
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
50
Servings
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin C
100 mg (111% DV)
19.7 mg (1159% DV)
15.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
Calcium
130 mg (10% DV)
11 mg (3% DV)
Market median: 500.0mg (1 products) 316 studies (A:8, B:159)
Acidifying Blend
524 mg

Other Ingredients

Cellulose Hypromellose Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Recommendation: Adults take 2 capsules twice daily, preferably with meals.

Warnings & Precautions

Keep out of reach of children.

Safety sealed with inner seal. Do not use if seal is broken or missing.

Do not exceed recommended dose. Caution: Not recommended for use if peptic ulcer, gastritis, or heartburn are present.

If you are pregnant, nursing, or taking any medications, consult a healthcare professional before use.

Formulation Notes

Acid-A-Cal Formula with a unique acidifying blend Proprietary blend with betaine HCl, citrus bioflavonoids, and rose hips

Made with the quality you trust

Gluten free. No wheat, soy, dairy, gelatin, or artificial color or flavors.

Bottled and tested in the USA

Additional Information

Explore more products at naturesway.com

Keep tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.

Bottle made from 50% post-consumer recycled plastic

Metadata

Product Details

UPC / SKU7 63948 01151 3
DSLD Entry Date2025-08-22
Product TypeOther Combinations
FormCapsule
DSLD ID337226
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.