ConsumerLab.com

Does beetroot juice improve exercise performance? A recent study found it raised nitrate levels, but did not improve sprint time or muscle function in trained athletes. ow.ly/ntRK50Z4eh2

7 Reishi Supplements Tested: 1 Had No Actual Reishi Mushroom We tested 7 popular reishi supplements, and the results were surprising. Only 2 of the 7 products had the levels of key reishi compounds that we'd expect from a high-quality reishi supplement. youtube.com/shorts/u1RO6Hw…

Selenium use in people with Hashimoto’s thyroiditis who were not selenium deficient was linked to higher TSH and other risks, although the study does not prove cause-and-effect. ow.ly/nMIe50Z3kJG

Does turmeric help with post-workout inflammation? A recent study found it did not significantly reduce most inflammation or oxidative stress markers after strenuous exercise. ow.ly/li9S50Z3jAI

A recent study linked omega-3 supplements, mainly fish oil, with faster cognitive decline in older adults with cognitive impairment. See the concerning details. ow.ly/phBq50Z3huB

ConsumerLab tested 7 popular reishi supplements. Two contained little to no mushroom, and three others were low in a key compound. See which passed, failed, and was Top Pick. ow.ly/XvHL50Z39pB

Creatine may cause small, temporary increases in creatinine, a kidney-related lab marker, but does not appear to affect kidney function itself. See our Top Picks for creatine. ow.ly/CxMB50Z1N6f

Should you worry about heavy metals in collagen? Contamination concerns may depend more on added ingredients, such as cocoa, than the collagen itself. ow.ly/li2B50Z1LRY

New research suggests sunlight, heat, shaking, and freezing can affect how many microplastics are released from plastic bottles. See how to reduce exposure. ow.ly/qMgM50Z1BuX

Can protein supplements help prevent muscle loss when taking GLP-1s? A study found they may help reduce lean body mass loss later in treatment. ow.ly/BUIK50Z1AQ0

Many cranberry supplements may lack enough key compounds linked to UTI benefits. See which products passed or failed in our Cranberry Supplements Review. ow.ly/igP250Z0oRj

Tinted sunscreens may help even skin tone by blocking visible light, not just UV light. See which sunscreen ingredient helps most. ow.ly/BjYe50Z0mPm`

How much vitamin D do you actually need? Learn what level is considered sufficient and how vitamin D status and body weight may affect dosing. ow.ly/1m6b50Z0kjg

A recent case highlights a potentially serious concern for GLP-1 users taking high-dose calcium and vitamin D. See what to avoid and what to consider instead: #calcium-supplements" target="_blank" rel="nofollow noopener">consumerlab.com/answers/supple…

A concerning amount of cadmium was reported in a chocolate protein powder marketed for kids. Learn more in our Protein Powders & Shakes Review. ow.ly/Q8ue50YYc6G

Before adding hemp hearts to your cereal, smoothie, or salad, you may want to know what ConsumerLab found in its latest tests of popular hulled hemp seed products. youtube.com/shorts/Df_EDyV…

Beef tallow is trending for skincare, but there’s no strong evidence it treats acne, eczema, or psoriasis — and it may worsen acne or cause allergic reactions. See our article about soaps for sensitive skin. ow.ly/NSJo50YWGMl

CAUTION: Too Much B-6 in Your Multi? A CL member reported serious neurologic symptoms after taking a multivitamin with 75 mg of vitamin B-6 per tablet. ow.ly/tAbK50YWG6l

ConsumerLab tested 6 popular hemp seed products. Two exceeded accepted spoilage limits for mold, at nearly 3X and 9X the limit. See which passed, failed, and was named Top Pick. ow.ly/iAKp50YWyX2,

Does gelatin help with weight loss? It may reduce appetite — but doesn’t lead to greater weight loss. Learn more: ow.ly/GgRM50YV803