Likely Safe Medium confidence

WonderSlim Fiber Drink Very Berry: Gluten-Free, 5 g Fiber per Serving, Keto-Friendly (10-pack)

WonderSlim ★★★★☆ 4.4 · 787 reviews

Label explicitly identifies the product as gluten-free, but no complete ingredient or cross-contact information is provided to verify beyond the label.

🌾 Gluten-free labeled Keto ⚠ No 3rd-party cert
$18.99
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Celiac verdict
Likely safe
Confidence
Medium
Type
Supplements
Size
0.27 ounce (pack of 10)
Price tier
Mid
Read
5 min
✅ Why it works
  • Gluten-free labeling in the product title
  • High rating (4.4) from a large number of reviews (787)
  • Positive taste and ease of dissolution reported by reviewers
  • Contains 5 g of fiber per serving and includes 7 vitamins & minerals
⚠ Keep in mind
  • Taste may be too sweet or not bold enough for some users
  • Some reviewers suggest adjusting the water volume to balance sweetness
  • Ingredient list and cross-contact details are not provided in the data

Gluten safety details

Labeled gluten-free
Yes
Certifications
None documented
Ingredient risks
None found
Cross-contact notes
No cross-contact or facility information provided in the data

Label explicitly identifies the product as gluten-free, but no complete ingredient or cross-contact information is provided to verify beyond the label.

No cross-contact or facility information provided

What to expect

A berry-flavored, gluten-free fiber drink mix that dissolves in water, delivering 5 g fiber per serving and 15 calories per serving. It’s marketed as keto-friendly and low-carb with added vitamins and minerals. Taste and sweetness can vary; some users dilute with more water to reach their preferred balance.

👍 Best for
  • adding daily fiber intake
  • weight management and appetite control
  • gluten-free, keto-friendly fiber supplementation
👎 Not ideal for
  • buyers seeking a strong or bold berry flavor without sweetness
  • buyers who require detailed allergen, certification, and cross-contact information

The full guide

What it is

WonderSlim Fiber Drink Very Berry is a gluten-free beverage mix packaged as a 10-pack. Each serving delivers 5 g of fiber and 15 calories, with 7 vitamins and minerals noted in the product data. The product is described as gluten-free, keto-friendly, and low-carb, with no fat. The data available does not include a full ingredient list or allergen details beyond the gluten-free labeling.

Taste, texture and how to use

Reviews cited in the data indicate the product has a pleasant berry flavor and dissolves easily in water. Some users find the sweetness appealing, while others may feel it is too sweet or would prefer a bolder taste. Several reviewers mentioned diluting the mix with more water to balance flavor, with one note suggesting about 24 ounces of water for better balance.

Gluten safety and certifications

The product title explicitly labels gluten-free, which supports gluten safety labeling. However, the data provided does not include a complete ingredient list or cross-contact information, nor any stated certifications (such as GFCO or other third-party verifications). Based on the available information, the gluten-safety assessment relies on the gluten-free label rather than additional certification evidence.

Who it’s for and value

This product is described as suitable for adding daily fiber intake and for those seeking gluten-free, keto-friendly fiber supplementation. It is sold as a 10-pack for $18.99, which works out to about $1.90 per serving. The combination of 5 g fiber per serving, low calories, and added vitamins/minerals makes it a potential option for people following a gluten-free, keto or low-carb pattern who want a flavored fiber boost.

What shoppers say

💚 People liked

⚠ People flagged

Flavor sweetness may be excessive for some; taste may vary
Some users prefer stronger or bolder taste
Need for larger water volume to balance sweetness for some

Key takeaways

  • Contains 5 g fiber per serving and 15 calories; keto-friendly and low-carb
  • Label explicitly states gluten-free, but complete ingredient/cross-contact details are not provided
  • High customer rating and positive notes on taste and mixability; price per serving is about $1.90
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 complete ingredient list provided in the data
  • No explicit allergen warnings beyond gluten-free labeling
  • No certification data (GFCO/NSF/etc.) evidenced in the supplied sources
  • Cross-contact and facility details not available
Likely Safe WonderSlim Fiber Drink Very Berry: Gluten-Free, 5 g Fiber per Serving, Keto-Friendly (10-pack) $18.99
Buy on Amazon →