ConsumerLab.com

We Tested 10 Popular Apple Cider Vinegar Brands. One Might Be Fake We tested 10 popular apple cider vinegar brands to find out which products were real, which offered the best value, and whether any had concerning levels of heavy metals. Watch now: youtube.com/watch?v=iChwVv…

Can butyrate help with weight loss? A study found no overall increase in fat loss, though some participants without diabetes lost more weight. Learn more in our butyrate supplements article. ow.ly/Phyo50Yx6Yr

Can prebiotics help knee osteoarthritis? A study found modest pain reduction with daily inulin but no mobility benefit. Learn more in our Prebiotic Supplements Review. ow.ly/4otT50Yx6SB

Tinted sunscreens may provide better protection from visible (blue) light than non-tinted formulas. Learn why in our article about sunscreens. ow.ly/nOEv50YwWWG

New review: Apple cider vinegar products showed wide variation in acidity — and one was Not Approved. See which passed and our Top Pick in our Apple Cider Vinegar Review. ow.ly/wggt50YwOxg

Do nattokinase supplements deliver what they promise? New findings show some contain far less enzyme activity than listed. Learn more in our Nattokinase Supplements Review. ow.ly/yiwW50YvE0a

Do supplements help lower cholesterol? Experts say major guidelines do not recommend them. Learn more in our Cholesterol-Lowering Supplements Review. ow.ly/Rw5q50YvCXJ

GLP-1 with B-12? Some compounded tirzepatide products may have low potency and unknown impurities. Learn more in our article on supplements to take or avoid with GLP-1 meds. ow.ly/bpZE50YvfFp

Is creatine a brain booster? A study reported small cognitive benefits from one form of creatine, but limitations make the findings uncertain. Learn more in our Creatine Review. ow.ly/94I650YtZKh

New Top Pick for bone health. If you’re low in nutrients like calcium or vitamin D, see how this supplement compares with others in our Bone Health Supplements Review. ow.ly/7I3e50Ytq96

Can collagen reduce cellulite? A study found only a very small improvement with daily collagen. See our critical review of the research in our Collagen Supplements Review. ow.ly/j4tl50YsRL6

Can vitamin D help tendon pain? A study found deficiency was linked to worse symptoms and higher risk of chronic tendinopathy. Learn more in our Vitamin D Supplements Review. ow.ly/zN6s50YrXvV

Do GLP-1 medications cause hair loss? Some studies suggest higher rates of certain types of hair loss among users, although overall risk appears low. Learn more in our article about supplements and GLP-1 meds. consumerlab.com/answers/supple…

Supplements made from animal prostate tissue are promoted for prostate health and BPH symptoms — but is there evidence they work? Learn what the research shows in our Prostate Supplements Review, including our Top Picks among prostate supplements. ow.ly/hWfP50YrhzH

Can prenatal fish oil reduce kids’ colds? A study found slightly lower risk of upper respiratory infections with higher omega-3 intake during pregnancy. Learn more in our Fish Oil Supplements Review. consumerlab.com/reviews/fish-o…

1 Out of 3 Multivitamins Failed in ConsumerLab Testing In this video, Dr. Tod Cooperman explains what our independent testing found and shares important tips on how to choose a high-quality multivitamin & avoid common problems found in some supplements. youtube.com/shorts/mZkSOfg…

Does extra protein help if you don’t exercise? Studies show increasing protein alone doesn’t improve muscle strength or mass. Learn more in our Protein Powders & Shakes Review, including our Top Picks for whey and other proteins. ow.ly/ox6v50YqqAi

NEW: Best Multivitamins Review. We tested popular multis for men, women, seniors, and kids — and 1 in 3 failed, containing far less (or more) of key ingredients than listed. See which passed and our Top Picks. ow.ly/vYBs50YqnB9

NAC for Detox? NAC is often promoted for “detoxification” — but what does the science actually show? Get the facts in our NAC Supplements Review, including our Top Picks. ow.ly/aCew50YoLmf

Low-Dose Lithium for Cognition: Promising or Problematic? Did low-dose lithium help people with mild cognitive impairment — and what side effects occurred? Get the details in our Low-Dose Lithium Review, including our Top Picks. ow.ly/VnFe50YoLiI