Articles & buying guides

Deep dives into the evidence behind supplements, plus editorial comparisons of the products worth your money.

Mixed evidence

Do Herbal Supplements Thin Your Blood? What the Evidence Shows About Bleeding Risk

Garlic, ginger, ginkgo, turmeric, fish oil, vitamin E, dong quai, danshen, nattokinase and more — which herbs actually affect clotting or platelets, how strong the evidence is, and what changes on warfarin, apixaban or aspirin.

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Moderate evidence

Supplements and Medications: The Interactions Adults Over 50 Should Know

St. John's wort, vitamin K, minerals, fish oil, melatonin, potassium, licorice and berberine can change how prescriptions work. What is proven, what is uncertain, and the brown-bag review that catches problems early.

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Mixed evidence

When Medicine Changes Your Nutrient Needs After 50

Metformin, acid reducers, diuretics, statins, and blood thinners can change nutrient risks after 50. Learn what is proven, what is theory, and when testing beats guessing.

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Mixed evidence

Testosterone After 40: TRT, “T-Boosters,” and What Actually Works — The SupplementDecider Reality Check

How low testosterone is actually diagnosed, what TRT can and cannot do, what TRAVERSE and the 2025–2026 FDA label changes mean, and an ingredient-by-ingredient look at whether testosterone booster supplements work.

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Limited evidence

Inside WishGarden Herbs: Why Liquid Extracts Feel Different — and What the Evidence Actually Supports

How liquid herbal tinctures differ from capsules, which WishGarden formulas have ingredient research behind them, where the evidence runs out, and the interactions to check before you try one.

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Limited evidence

WishGarden Sleepy Nights Review: Does It Really Help You Sleep?

What the research on valerian, passionflower, skullcap, hops and chamomile does and does not show — and why encouraging ingredient studies do not prove the finished formula works.

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Limited evidence

WishGarden Deep Stress Review: What the Research Actually Says

What the human research on milky oats, motherwort, skullcap and passionflower does and does not show, realistic expectations, medication interactions, and who should avoid this calming blend.

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Limited evidence

WishGarden Digestive Rescue Review: Evidence, Uses and Limitations

Ginger and peppermint have real human research behind them, but that is not evidence the finished blend works. Uses, limits, safety cautions and when digestion needs a doctor.

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Mixed evidence

For the Moments You Still Want to See

Real supplement advice for staying healthier, stronger, and present for the people you love: what the evidence supports for B12, vitamin D and calcium, creatine, AREDS2, omega-3 and glycine/GlyNAC — and what to skip.

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Moderate evidence

The Four Bottlenecks of Aging: A New Way to Choose Supplements After 60

A science-based new framework for choosing supplements after 60 by examining four age-related bottlenecks: absorption, activation, clearance, and medication collisions.

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Mixed evidence

NAD+ Supplements After 50: What NMN and NR Actually Do — and What They Do Not

An evidence review of NAD+ precursors for older adults: what NMN and NR do to NAD-related biomarkers in human trials, why sirtuin and longevity claims remain unproven, studied amounts, safety and how to judge a product.

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Moderate evidence

Taurine After 50: Benefits, Evidence, Dosage, and Safety

What taurine is, what human research does and does not support for adults over 50, commonly studied amounts, safety and interactions, and how to judge a product.

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Moderate evidence

Magnesium Glycinate After 50: What It May Help—and What It Won't

Magnesium glycinate explained for adults over 50: where the evidence is genuinely good, where it is oversold, studied amounts, interactions and how to judge a product.

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Mixed evidence

CoQ10 After 50: Heart Health, Statins, Energy, and Evidence

Coenzyme Q10 for adults over 50: what the heart-failure and statin research shows, where the energy claims fall down, studied amounts, interactions and product selection.

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Mixed evidence

Multivitamins After 50: What the Science Actually Shows

An independent look at multivitamins for adults over 50: who is most likely to benefit, what large trials have and have not found, nutrient-by-nutrient cautions, and how to judge product quality.

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Mixed evidence

Peptides and Amino Acids: Do They Actually Work in Capsules or Powder Form?

Amino acids are absorbed well by mouth, some collagen peptides survive digestion, and many drug-like peptides do not. Here is how to tell the difference before you buy.

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Moderate evidence

When Pain Medicines Aren't Working After Hip Surgery: What Older Adults and Families Should Ask About Now

Urgent, plain-English guidance for families when opioids and NSAIDs are not controlling pain after hip surgery: red flags, multimodal reassessment, nerve-block options, a phone script and a checklist.

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Moderate evidence

Recovering From Surgery After 60 Without Relying on NSAIDs or Opioids: What the Latest Research Shows

Multimodal, opioid-sparing recovery for older adults: nerve blocks, cold therapy, rehabilitation, prehabilitation, protein, and what supplements can and cannot do.

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Moderate evidence

Severe Pain After a Second Hip Replacement at Age 79: What the Latest Research Says to Do Next

When opioids and NSAIDs aren't controlling pain after a revision hip replacement, the answer is a diagnosis — not a stronger dose. Red flags, what the surgeon should check, multimodal options and a script for families.

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Moderate evidence

Top 10 Supplement Companies for Adults 55+: Quality, Transparency and Healthy-Aging Value

A practical, evidence-aware ranking for older adults who want better-quality supplements without miracle claims or marketing hype.

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Moderate evidence

Glycine: The Underrated Amino Acid That Could Improve Your Sleep, Recovery, and Overall Health

Glycine is cheap, well tolerated and quietly useful — here is what the sleep, collagen and glutathione research actually shows, plus our five editorial picks.

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Strong evidence

The 8 Best Fish Oil Supplements of 2026: Science-Based Rankings, Benefits, and Risks

Which omega-3 products are worth buying, what EPA and DHA actually do, and where the evidence is weaker than the marketing suggests.

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Strong evidence

Creatine: What the Research Actually Says

Creatine is one of the most studied sports supplements. Here is what the evidence says about strength, muscle, safety, and who benefits most.

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