Likely Safe Medium confidence

tnvitamins Magnesium Glycinate 300mg, 90 Capsules: Gluten-Free, High-Absorption Magnesium for Sleep, Calm & Muscle Support

tnvitamins ★★★★★ 4.6 · 3,279 reviews

Product data indicates gluten-free labeling without documented third-party certification; cross-contact details are not provided.

🌾 Gluten-free labeled Non-GMO ⚠ No 3rd-party cert
$9.99
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Celiac verdict
Likely safe
Confidence
Medium
Type
Supplements
Size
90 count (pack of 1)
Price tier
Budget
Read
5 min
✅ Why it works
  • Gluten-free labeling based on product data (dietary_tags)
  • Non-GMO
  • High-absorption chelated magnesium glycinate (300 mg per capsule)
  • Good value price for 90 capsules
  • Positive sleep-related anecdotes in reviews
⚠ Keep in mind
  • No stated third-party gluten certification in available data
  • Mixed gastrointestinal side effects reported (diarrhea for some users)
  • Lack of explicit cross-contact facility details in provided data

Gluten safety details

Labeled gluten-free
Yes
Certifications
None documented
Ingredient risks
None found
Cross-contact notes
No cross-contact details provided in sources

Product data indicates gluten-free labeling without documented third-party certification; cross-contact details are not provided.

GI upset in some users No cross-contact facility details provided GF certification not evidenced

What to expect

A high-absorption magnesium glycinate capsule intended to support restful sleep, calm mood, and nighttime muscle comfort. Most users report positive sleep and ease of use, but a subset experiences gastrointestinal sensitivity such as diarrhea; price per capsule is economical relative to many magnesium products.

👍 Best for
  • Sleep support and calm (relaxation, better rest)
  • Muscle cramp relief at night
👎 Not ideal for
  • Shoppers seeking certified gluten-free branding (GF-certified labels not evidenced)
  • Those who experience GI sensitivity to magnesium glycinate or who want explicit organic/vegan claims

The full guide

What is tnvitamins Magnesium Glycinate 300 mg?

tnvitamins Magnesium Glycinate 300 mg is a gluten-free, non-GMO magnesium glycinate supplement sold in 90 capsules. Each capsule provides 300 mg of magnesium glycinate (magnesium bisglycinate) and the product is described as unflavored. It is marketed for sleep support, calm mood, and nighttime muscle comfort. The listed price is $9.99 for the 90-capsule bottle, which the data notes as a good value per capsule. This product is positioned as a practical, low-cost option within the magnesium glycinate category, with emphasis on high absorption and ease of use for nightly routines.

Gluten safety and labeling

Product data shows gluten-free labeling on this product. There is no documented third-party gluten certification in the supplied sources. Cross-contact facility details are not provided, so users who require strict certified gluten-free branding may want to verify with the retailer. The gluten-free labeling supports celiac and gluten-sensitivity considerations based on the provided data. In summary, the product carries a gluten-free designation in the product data, but formal GF certification information is not evidenced in the supplied sources.

How it performs and who it's for

The supplement is described as a high-absorption chelated magnesium glycinate form, with 300 mg per capsule. User feedback highlights sleep improvements and a sense of calm, along with value for money. Some users report gastrointestinal sensitivity, including diarrhea, which is a common consideration with magnesium supplements for some individuals. If your goals include better sleep, calmer evenings, or nighttime muscle support, this product is positioned as a straightforward option within a budget category.

Taste, texture, and daily use

The product is unflavored and comes in capsules that are relatively easy to swallow. Many reviewers report no aftertaste, and the format is convenient for nightly use as part of a routine. Digestive tolerability varies by person, with some experiencing GI upset. For best results, follow the suggested daily capsule count and assess tolerance over a few days to a couple of weeks, as magnesium supplements can affect individuals differently.

Pros, cons, and practical takeaways

Pros include gluten-free and non-GMO labeling, high-absorption magnesium glycinate at 300 mg per capsule, and a budget-friendly price. Cons include the lack of documented third-party gluten certification and mixed GI tolerance among users. This product seems well-suited for those seeking sleep support, calm, and nighttime muscle comfort who don’t require verified gluten-free certification. Practical takeaway: if gluten-free labeling and price are priorities, this option offers a useful balance. If certified gluten-free branding is essential for you, you may want to verify certification specifics before purchase.

What shoppers say

💚 People liked

⚠ People flagged

Some users experience stomach upset or diarrhea
Dream intensity reported by some users on certain nights
No explicit mention of child-proof packaging in reviews

Key takeaways

  • Gluten-free labeling and non-GMO status are evidenced by product data.
  • High-absorption glycinate form at 300 mg per capsule.
  • Budget-friendly option at about $0.11 per capsule.
  • Some users report GI discomfort; no third-party gluten certification documented.
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 gluten-free certification documented
  • Main product page text from scraped sources not accessible in the provided data
  • Facility-level cross-contact information not provided
Likely Safe tnvitamins Magnesium Glycinate 300mg, 90 Capsules: Gluten-Free, High-Absorption Magnesium for Sleep, Calm & Muscle Support $9.99
Buy on Amazon →