The Flexwell Blog

All articles, page 3

Smart, science-backed guidance on supplements, timing, interactions, and getting real results from what you take.

AllDrug InteractionsSupplement InteractionsCognitive HealthSupplement ScienceTrending StudiesResearch & NewsStress & RecoverySupplement TimingSleep & Recovery
Can You Take Turmeric With Blood Thinners? What to Know
Supplement Interactions

Can You Take Turmeric With Blood Thinners? What to Know

Turmeric's active compound curcumin has mild blood-thinning properties that may add to the effect of anticoagulants…

6 min read·Evidence: Moderate·Aug 28, 2026
The New Vitamin D Guidelines: What Changed
Research & News

The New Vitamin D Guidelines: What Changed

In 2024, the Endocrine Society released updated clinical practice guidelines on vitamin D, significantly revising who…

8 min read·Evidence: Strong·Aug 26, 2026
What the Latest Creatine Research Actually Found
Research & News

What the Latest Creatine Research Actually Found

Recent creatine research has expanded the conversation into brain health, aging, women's health, and even…

6 min read·Evidence: Moderate·Aug 24, 2026
Does Ashwagandha Actually Lower Cortisol?
Stress & Recovery

Does Ashwagandha Actually Lower Cortisol?

Ashwagandha does have real human trial evidence for supporting healthy cortisol levels, particularly the KSM-66 and…

4 min read·Evidence: Moderate·Aug 21, 2026
What Supplements Should You Actually Take for Brain Fog?
Cognitive Health

What Supplements Should You Actually Take for Brain Fog?

Fix deficiencies first: vitamin B12, vitamin D, and iron are among the most common nutrient-based causes of brain fog…

4 min read·Evidence: Moderate·Aug 18, 2026
Berberine vs. Metformin: Is "Nature's Ozempic" Actually Comparable?
Supplement Science

Berberine vs. Metformin: Is "Nature's Ozempic" Actually Comparable?

Berberine and metformin share the same core mechanism, AMPK activation, and one small 2008 trial found comparable blood…

6 min read·Evidence: Moderate·Jul 27, 2026
BPC-157 and the FDA Vote: What It Actually Means (And What It Doesn't)
Supplement Science

BPC-157 and the FDA Vote: What It Actually Means (And What It Doesn't)

The July 2026 FDA advisory committee voted 8-6 to recommend BPC-157 for limited prescription compounding, not retail…

6 min read·Evidence: Preliminary·Jul 27, 2026
Best Time to Take Vitamin D3 (And Why Taking It at Night Might Hurt Your Sleep)
Supplement Timing

Best Time to Take Vitamin D3 (And Why Taking It at Night Might Hurt Your Sleep)

Take vitamin D3 in the morning with a meal that contains fat, and pair it with vitamin K2 at any meaningful dose…

6 min read·Evidence: Moderate·Jul 15, 2026
Levothyroxine and Supplements: What to Avoid and When to Take Everything Else
Supplement Interactions

Levothyroxine and Supplements: What to Avoid and When to Take Everything Else

Calcium, iron, and magnesium can each reduce levothyroxine absorption if taken too close together. Take levothyroxine…

8 min read·Evidence: Strong·Jul 15, 2026
12345