Likely Safe High confidence

BulkSupplements.com Calcium Carbonate Powder - Calcium Carbonate Food Grade, High Absorption - Gluten Free, 1.25g per Serving, 250g (8.8 oz) (Pack of 1)

BulkSupplements ★★★★★ 4.6 · 633 reviews

Label indicates gluten-free; calcium carbonate itself is gluten-free; cross-contact details not provided; evidence strongly supports safety for many with gluten sensitivity, though facility-level cross-contact information is not disclosed.

🌾 Gluten-free labeled ⚠ No 3rd-party cert
$16.97
Buy on Amazon →

As an Amazon Associate, Gluto earns from qualifying purchases. Prices and availability may change.

Celiac verdict
Likely safe
Confidence
High
Type
Supplements
Size
8.82 ounce (pack of 1)
Price tier
Mid
Read
5 min
✅ Why it works
  • Gluten-free claim on product listing
  • Good mixability and no chalky aftertaste
  • High user satisfaction and value for money
  • Versatile uses (smoothies, recipes, DIY toothpaste comments)
⚠ Keep in mind
  • No explicit third-party gluten-free certification stated
  • Cross-contact information not provided
  • Ingredients list limited in data

Gluten safety details

Labeled gluten-free
Yes
Certifications
None documented
Ingredient risks
No gluten-containing ingredients listed in data; cross-contact information not provided
Cross-contact notes
No facility-level cross-contact details available; cannot confirm cross-contact risk with gluten-containing facilities

Label indicates gluten-free; calcium carbonate itself is gluten-free; cross-contact details not provided; evidence strongly supports safety for many with gluten sensitivity, though facility-level cross-contact information is not disclosed.

Cross-contact details for manufacturing are not provided; verify with supplier if cross-contact risk is a concern

What to expect

You get a fine, gluten-free calcium carbonate powder intended for adding calcium to foods, drinks, or DIY formulations. Expect easy mixing with liquids and no strong chalky aftertaste; each serving provides 1.25 g of calcium carbonate. The package is 250 g, offering roughly about 200 servings depending on the exact count.

👍 Best for
  • Fortifying beverages or smoothies with calcium
  • DIY recipes requiring calcium carbonate
  • Potential use in homemade toothpaste (as per user review example)
👎 Not ideal for

The full guide

What this product is

BulkSupplements Calcium Carbonate Powder is a gluten-free, unflavored calcium carbonate supplement sold in a 250 g bag. Each serving is 1.25 g, and the primary ingredient listed is calcium carbonate. The product labeling indicates gluten-free status, and consumer reviews note easy mixing and a lack of chalky taste.

Gluten safety and certifications

The product explicitly labels itself as gluten-free. There are no explicit third-party gluten-free certifications listed in the provided data. Cross-contact details or facility-level testing are not disclosed, so a cautious approach is advised for individuals with severe gluten sensitivities or celiac disease.

Taste, texture, and mixing

Reviewers describe the powder as finely milled and easy to blend into water, smoothies, or other recipes. Compliments often focus on minimal chalkiness and smooth mixability, with many users noting no strong aftertaste.

Who it’s for

This product is positioned for people seeking a gluten-free calcium source in powder form, including those who prefer adding calcium to beverages or DIY recipes. It may also appeal to individuals who want to supplement calcium outside of capsule or tablet forms.

Value, price, and use cases

The 250 g bag is priced at $16.97, with an estimated ~200 servings based on the 1.25 g serving size. This suggests a roughly $0.08–$0.09 per serving, depending on exact counts. Uses highlighted by buyers include smoothies and plain beverages, as well as DIY projects like toothpaste formulations.

How to use and storage

Use a 1.25 g serving per recommended amount of your beverage or recipe, mixing thoroughly to avoid clumps. Store in the original container as directed by the product packaging to maintain quality and prevent moisture exposure.

What shoppers say

💚 People liked

⚠ People flagged

No explicit negative feedback in featured reviews; overall sentiment is positive

Key takeaways

  • Look for the gluten-free label and confirm it meets your needs; no explicit third-party GF certification is listed
  • Expect easy mixing and low chalkiness based on user feedback
  • Serving size is 1.25 g; a 250 g bag yields roughly 200 servings
  • Price is around $16.97; consider value against pill-form calcium
  • Useful for beverages, recipes, and DIY projects, but cross-contact information isn’t disclosed
How we assess this: Gluto summarizes manufacturer labeling, listing data, and community signals — it is not a medical guarantee. Always read the current label and confirm with the manufacturer before purchase, especially for celiac disease.

Evidence gaps for this product:
  • No explicit third-party certification metadata (GFCO, NSF, etc.) is shown
  • No detailed ingredient list beyond calcium carbonate in provided data
  • No explicit cross-contact or manufacturing facility statements
Likely Safe BulkSupplements.com Calcium Carbonate Powder - Calcium Carbonate Food Grade, High Absorption - Gluten Free, 1.25g per Serving, 250g (8.8 oz) (Pack of 1) $16.97
Buy on Amazon →