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Sports Research Testing Report Card

  • 5 products from Sports Research were tested and reviewed by ConsumerLab, with 4 products Approved for quality of which 0 are Top Picks.
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Product Review

Astaxanthin Supplements Review

Our Tests Reveal Which Supplements Offer Most Value

Astaxanthin Review 2026

Product Review

Creatine Supplements Review

See Which Creatine Provides High Quality at Lowest Cost

Creatine Review 2026 V2

Product Review

Vitamin D Supplements Review (Including Calcium, Magnesium, Vitamin K, and Boron)

Find the Best Vitamin D Supplement and Avoid Problems

Vitamin D Review 2024

Product Review

Vitamin K Supplements Review (Including Calcium, Vitamin D, Magnesium & Boron)

Find Out If It's Worth Taking Vitamin K and Which Products Are Best

Vitamin K Review 2024

Product Review

Coconut Oil and Medium Chain Triglycerides (MCT) Oil Review — Semi-Solid and Liquid Oils & Supplements

Find the Best Coconut Oil and MCT Oil. See How These Oils Compare on Medium Chain Triglycerides (MCTs), Quality, and Value.

Coconut and MCT Oils Reviewed by ConsumerLab.com

Product Review

Collagen Supplements Review

See our Top Picks for Wrinkles and Joints

Product Review

L-Theanine Supplements Review

Touted for Stress Relief, Do L-Theanine Supplements Work?

Clinical Update

6/11/2026

CREATINE BRANDS TESTED: One Failed — Are You Overpaying?

We tested 11 popular creatine supplements and found one that failed quality testing — while some people may be paying nearly 3X more than necessary for high-quality creatine.

Find out:

Our Top Pick for creatine

See the full results in our Creatine Supplements Review -- covering creatine from Create, Fitness Labs, GNC, Life Extension, Momentous, Naked, Nutricost, Optimum Nutrition, Sports Research, Thorne, and more.

News Release

July 15, 2026

No Need to Pay Higher Prices for Astaxanthin According to ConsumerLab.com Tests

White Plains, NY, July 15, 2026 — Astaxanthin is promoted as a powerful antioxidant with health benefits ranging from reducing wrinkles to improving endurance and lowering triglycerides.

News Release

June 22, 2026

ConsumerLab Shows Which Creatine Is Best

White Plains, NY, June 22, 2026 — Creatine is rapidly gaining popularity, as shown in a recent survey, but are some creatine supplements better than others? ConsumerLab’s recent tests of creatine powders, capsules, and gummies showed that although most products met quality standards, some did not, ...

News Release

February 25, 2026

Top-rated Vitamin and Supplement Brands and Merchants for 2026 Based on Consumer Satisfaction

-- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users --

News Release

February 25, 2025

Top-rated Vitamin and Supplement Brands and Merchants for 2025 Based on Consumer Satisfaction

White Plains, New York, February 25, 2025 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on over 8,400 responses collected in November/December 2024.

News Release

August 12, 2024

Too Much Vitamin D? Some Supplements Contain Much More Than Claimed, According to ConsumerLab

White Plains, NY, August 12, 2024 — Getting adequate vitamin D is important to maintaining bone and cardiovascular health, and may have other benefits. However, getting too much vitamin D can have adverse effects, including increasing the risk of fractures and falls.

News Release

July 30, 2024

ConsumerLab Tests Reveal Best Vitamin K Supplements

White Plains, NY, July 30, 2024 — Vitamin K helps with proper blood clotting as well as with calcium utilization in bones and the cardiovascular system.

News Release

February 25, 2024

Top-rated Vitamin and Supplement Brands and Merchants for 2024 Based on Consumer Satisfaction

White Plains, New York, February 25, 2024 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on over 10,000 responses collected in November/December 2023.

News Release

July 26, 2023

Best Collagen Supplements for Skin and Joints, According to ConsumerLab Tests

White Plains, New York, July 26, 2023 —  Collagen supplementation may modestly reduce wrinkles and the appearance of cellulite, and moderately decrease joint and tendon pain and improve flexibility in people with osteoarthritis.

News Release

March 09, 2023

L-Theanine Supplements Reviewed by ConsumerLab. Top Pick Chosen.

White Plains, New York, March 9, 2023 —L-theanine supplements are often promoted to reduce stress and improve sleep and cognition.

News Release

February 25, 2023

Top-rated Vitamin and Supplement Brands and Merchants for 2023 Based on Consumer Satisfaction

White Plains, New York, February 25, 2023 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 8,600 responses collected in November/December 2022.

News Release

April 13, 2022

ConsumerLab Tests Vitamin D Supplements and Cautions About Dose

  White Plains, New York, May 12, 2022 — Getting sufficient vitamin D is essential for healthy bones and has a wide range of other health benefits. It's no wonder that it has been the #1 supplement in popularity year-after-year in ConsumerLab's survey of supplement users.

News Release

April 02, 2022

ConsumerLab Discovers Less Vitamin K Than Listed in Some Supplements

  White Plains, New York, May 16, 2022 — Vitamin K plays an important role in proper blood clotting and calcium utilization in bones and is a common ingredient in bone health supplements.

News Release

February 25, 2022

Top-rated Vitamin and Supplement Brands and Merchants for 2022 Based on Consumer Satisfaction

White Plains, New York, February 25, 2022 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 8,049 responses collected in November/December 2021.

News Release

February 25, 2021

Top-rated Vitamin and Supplement Brands and Merchants for 2021 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users

White Plains, New York, February 25, 2021 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 9,647 responses collected in November 2020.

News Release

February 25, 2020

Top-rated Vitamin and Supplement Brands and Merchants for 2020 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users

White Plains, New York, February 25, 2020 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 9,782 responses collected in late November and early December 2019.

News Release

March 07, 2019

Best Coconut and MCT Oils Identified by ConsumerLab

White Plains, New York, March 7, 2019 — Coconut oil is often promoted as a "healthy fat" and an alternative source of energy to help with weight loss and in conditions such as Alzheimer's disease because it contains medium chain triglycerides (MCTs).

Recalls & Warnings

March 13, 2020

FDA Finds Problems at 52% of Supplement Manufacturing Sites in U.S. and 42% Abroad

ConsumerLab.com has obtained results of the FDA's inspections in Fiscal Year 2019 (October 1, 2018 - September 30, 2019) of 598 dietary supplement manufacturing facilities in the U.S.