Sports Research ® Magnesium L-Threonate Capsules 2000mg
Sports Research

Sports Research ® Magnesium L-Threonate Capsules 2000mg

High-Absorption Magtein® for Enhanced Brain Health, Memory, Focus & Restful Sleep Support - Vegan · Non-GMO ·…

$29.954.7(2,389 reviews)
Mubboo Score B-
Buy on Amazon $29.95

Price as of 2026-06-02. Check Amazon for the current price.

Quick Decision

Mubboo Score
B-
Best For
Buyers who prioritize quality over price in Magnesium Supplements
Skip If
You're on a tight budget
Reviews
2,389+ · reliable

Is This Right For You?

✅ Great for
  • Buyers who prioritize quality over price in Magnesium Supplements
  • Those who want a top-rated option — in the top 7% of Magnesium Supplements by rating
  • Sports Research loyalists — the brand spans 31 products in our database
⚠️ Think twice if
  • You're on a tight budget — $8 above the category average of $22
  • Sports Research ® Magnesium Glycinate offers a better rating (4.8/5) at a similar or lower price ($18)
💡 Consider instead
  • Nature Made Magnesium Oxide 400 mg Softgels — 58% cheaper at $12 (Score A+)
  • Sports Research ® Magnesium Glycinate — higher rated at 4.8/5 ($18)

📊 Based on data analysis of 42 products in this category.

Mubboo Score: B-

Quality9.4/10
based on 4.7/5 customer rating
Popularity6.7/10
2,389 reviews, top 69% in Magnesium Supplements
Value1.4/10
priced below 14% of Magnesium Supplements

How It Compares

This Product
Sports Research ® Magnesium L-Threonate Capsules 2000mg
Most Popular
Doctor's BEST High Absorption Magnesium Glycinate Lysinate
Best Rated
Sports Research ® Magnesium Glycinate
Best Value
Nature Made Magnesium Oxide 400 mg Softgels
Price$29.95$12.99$17.95$12.49
Rating4.7/54.6/54.8/54.7/5
Reviews2,38975,5791,70644,456
Mubboo ScoreB-A+B+A+

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Be mindful of pill size if you have difficulty swallowing, as many tablets are large and chalky. For constipation relief, magnesium oxide is effective, while magnesium glycinate is preferred for sleep and relaxation without stomach upset.

Praised for
  • Improves sleep quality
  • Relieves muscle cramps and menstrual pain
  • Promotes relaxation and reduces anxiety
  • Gentle on stomach
  • Good value for money
Common complaints
  • Pills are large and hard to swallow
  • May cause vivid dreams or nightmares

Expert Picks in Magnesium Supplements

cnet
  • Nature Made Magnesium Citrate — Best overall
  • Nature's Bounty Magnesium — Best budget
  • Now Magnesium Caps — Best vegan
  • Garden of Life Whole Food Magnesium — Best powder

Category recommendations from independent expert publications. Source links in References.

Related Video Reviews

Key Features

  • HIGHLY BIOAVAILABLE FORM: Magnesium L-threonate is the salt formed from mixing magnesium and threonic acid, a water-soluble substance derived from the metabolic breakdown of vitami…
  • MADE WITH MAGTEIN: Magtein is a patented compound called threonic acid developed by a group of MIT researchers. Magtein is the only form that effectively crosses the blood-brain ba…
  • PREMIUM QUALITY: Sports Research takes pride in offering products that use only the best ingredients available so that you can have total peace of mind in the supplements that you …
  • MANUFACTURED IN THE USA: Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For us, it'…
  • THE SPORTS RESEARCH DIFFERENCE: Created in 1980, Sports Research is a privately-owned business born from a passion for fitness, wellness, and healing. Our goal is to help people li…

Source: product listing on Amazon.

About Sports Research

  • 31 products in our database
  • Average rating: 4.6/5 across all products
  • Price range: $17.95$53.95
  • Categories: Ashwagandha Supplements, Biotin Supplements, collagen, Collagen Supplements, Creatine Supplements, Fiber Supplements

Other Magnesium Supplements

Bottom Line

Sports Research ® Magnesium L-Threonate Capsules 2000mg earns Mubboo Score B-. Priced at $30 — a premium option, above the category average of $22. Rated 4.7/5 from 2,389+ reviews. Strong buy if: buyers who prioritize quality over price in magnesium supplements, those who want a top-rated option. Skip if: you're on a tight budget — Doctor's BEST High Absorption Magnesium Glycinate Lysinate (Score A+, $13) may fit better.

Buy on Amazon $29.95Last verified: 2026-06-02

Frequently Asked Questions

Is the Sports Research ® Magnesium L-Threonate Capsules 2000mg worth buying in 2026?

It earns a Mubboo Score of B-, with a 4.7/5 rating from 2,389 reviews — better than 93% of Magnesium Supplements we track.

How much does the Sports Research ® Magnesium L-Threonate Capsules 2000mg cost?

It is currently $29.95 — premium-tier pricing for Magnesium Supplements.

How does the ® Magnesium L-Threonate Capsules 2000mg compare to other Magnesium Supplements?

The category's most-reviewed alternative is the Doctor's BEST High Absorption Magnesium Glycinate Lysinate (4.6/5, 75,579 reviews, $12.99). The ® Magnesium L-Threonate Capsules 2000mg carries a Mubboo Score of B- vs A+.

Sources & References

Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-02) and may change.