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

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.

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

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

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.

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.

Creatine reduced one inflammation marker in older adults doing resistance exercise, but did not improve cognition more than exercise alone. See our Muscle & Workout Supplements Review.

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

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. www.youtube.com/shorts/Df_ED...

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.

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. See how to spot this issue in our Multivitamin Review.

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. www.consumerlab.com/...

A CL member reported serious neurologic symptoms after taking a multivitamin with 75 mg of vitamin B-6 per tablet.

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

Are IM8 supplements worth it? Limited evidence + high cost. See our take:

Turmeric warning update: Proposed label may note rare liver risks. Learn more:

Ashwagandha alert: India bans leaf ingredient, but some products still include it. Learn more:

Is creatine bad for kidneys? Research shows low risk in healthy adults. Learn more:

Recall: Ghirardelli cocoa & beverage mixes may be contaminated with Salmonella. Do not use. Details:

Misleading magnesium claim: “200 mg” was actually just 22 mg. Learn how to avoid label tricks:

Dry eye worse during allergy season? Some supplements may help — but not all. Learn more:

ConsumerLab tested 29 popular protein powders and ready-to-drink protein shakes to see how they compared for protein content, cost, taste, sweeteners, and potential contaminants. Watch now: www.youtube.com/shorts/8yF5y...

Does Prevagen reach the brain? Evidence suggests it’s mostly broken down during digestion. Learn more:

Brita lawsuit dismissed. Court says consumers shouldn’t expect complete contaminant removal. Learn more:

Can vitamin D reduce diabetes risk? It may help — but only for certain genetic subgroups. Learn more:

Water flosser vs string floss: no clear winner. Both perform similarly for plaque and gum health. Learn more:

Lead in instant coffee? Some products contained heavy metals, but levels were generally low. Learn more:

Nearly 1 in 3 protein powders failed testing. Some had more sugar, sodium, or cholesterol than listed. See our Top Picks:

Do supplements help tinnitus? Some show little to no benefit. Learn what may help:

Is anemia linked to Alzheimer’s? A study found a higher risk, but no proof of cause and effect. Learn more:

A popular fish oil supplement has been pulled after testing found signs of rancidity. See details and current Top Picks:

Recall: Lundberg Organic Jasmine White Rice (2 lb) may contain foreign material. Do not consume — return for a refund. Details:

Which sunscreens are less likely to irritate skin? Mineral, stick, and tinted formulas may have fewer allergens. Learn more:

Is honey often adulterated with added sweeteners? FDA testing suggests it’s relatively uncommon. Learn more:

Do fish oil supplements deliver what they claim? Some fell short on omega-3s or were rancid. Learn more:

Does creatine boost both muscle and brain? A study found improved performance but no cognitive benefit. Learn more:

Do electrolyte labels match what’s inside? Some products over- or under-deliver key minerals. See which passed in our review:

Best oregano oil supplements? We reviewed recent testing to identify top-performing options. See our picks:

FDA warning: Addall XR Shot and Addall XL capsules contain undeclared drug ingredients that may pose serious risks. Consumers should stop using them immediately.

Does Brain Health Memory Plus work? It hasn’t been clinically tested, and evidence for its ingredients is limited. Learn more:

Is “lead-free” cinnamon really lead-free? Testing found small amounts of lead. Learn more in our Cinnamon Review.

New Top Pick: high-flavanol cocoa powder. One product delivered more flavanols than listed. See how it compares in our Dark Chocolate & Cocoa Review.

Which NAC Supplement Is Worth Buying? 12 Tested by ConsumerLab NAC is one of the most popular supplement ingredients for liver health, detox, and immune support, but does it actually work, and are some products worth paying more for? www.youtube.com/shorts/RWSG_... #NAC #NACSupplements

How can you tell if tuna is really dolphin-safe? Some products were falsely labeled. Learn what to look for in our canned seafood review.

Are thyroid meds overused? A study found many older adults on lower doses could stop levothyroxine and maintain normal thyroid function. Learn more in our thyroid treatments article.

Oregano oil is often promoted for peptic ulcers, but testing found about half of products fell short on key compounds. Learn more in our supplements for peptic ulcers article.

Can acid reducers deplete nutrients? PPIs may reduce absorption of calcium, magnesium, and B-12. Learn more in our article on supplements & PPI medications.

Do “GLP-1 activator” supplements work? Evidence suggests they may slightly reduce hunger, but effects are limited and unclear long-term. Learn more in our weight supplements article.

Can vitamin D lower dementia risk? A study linked higher midlife levels to lower tau buildup in the brain. Learn more in our Vitamin D Supplements Review.

Best NAC supplements? Our tests show that not all products deliver what they promise. See which passed and our Top Picks in our NAC Supplements Review.