ConsumerLab.com uses JavaScript to provide the best possible experience for our content, but your browser has it disabled. Learn how to enable it here.

About ConsumerLab.com

Search term may appear only in full report available to members. Join now for full access.

Product Review

Reishi Mushroom Supplements Review

Find the Best Reishi Mushroom Supplement. See How Reishi Supplements Differ.

Reishi Mushrooms tested by ConsumerLab.com

Product Review

Lion's Mane and Chaga Supplements Review

Read Labels Carefully -- Many Can Mislead

Lion's Mane and Chaga Supplements tested by ConsumerLab.com

CL Answer

What are the health effects of turkey tail mushroom and is it safe?

Learn about the possible health effects of turkey tail mushroom, including its use as adjuvant treatment for cancer and for boosting immune function, plus get information about possible side effects and find out why ConsumerLab has not yet tested turkey tail products.

Turkey tail mushrooms growing on the side of a tree

CL Answer

Does ergothioneine help prevent age-related problems such as impaired cognition, Alzheimer’s disease, Parkinson’s disease or cataract, and is it safe?

Learn about ergothioneine and its potential use for cognitive impairment, dementia, Alzheimer's disease, Parkinson's disease, cataract, or kidney disease, as well as its safety and cost of supplements containing this ingredient.

Various types of mushrooms that contain ergothioneine in a wooden bowl on a wooden countertop

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

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

October 06, 2022

Lion’s Mane and Chaga Supplement Labels May Mislead, According to ConsumerLab Tests

  White Plains, New York, October 6, 2022 — Lion’s mane and chaga supplements are often promoted to improve memory and mood, boost the immune system, and a range of other health benefits.

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

August 22, 2019

Best Reishi Mushroom Supplements Identified by ConsumerLab

White Plains, New York, August 22, 2019 — Reishi mushroom supplements are promoted for many uses, from strengthening the immune system and lowering blood sugar, to improving cardiovascular health and reducing cancerous tumors.