Reading on supplements

Short reads on magnesium, vitamin D3 and K2, omega-3 and vitamin C, written by NAN HEALTH Editorial and checked against NIH, PubMed and FDA sources.

Magnesium Powder vs Pills: One Scoop or Several Capsules?
en-only · 5 min

Magnesium Powder vs Pills: One Scoop or Several Capsules?

A plain comparison of magnesium powder and capsules: how many pills one scoop equals, what a...

Do Vitamin D Sprays Work? What Studies Show vs Pills
D3 · 6 min

Do Vitamin D Sprays Work? What Studies Show vs Pills

Small trials found that a vitamin D3 spray raised blood levels about as well as a...

Sleepy Girl Mocktail: Which Magnesium Powder to Use
en-only · 5 min

Sleepy Girl Mocktail: Which Magnesium Powder to Use

The sleepy girl mocktail mixes tart cherry juice, magnesium and sparkling water. Here is what each...

D3 K2 Spray vs Tablets: What the Absorption Studies Found
D3 · 6 min

D3 K2 Spray vs Tablets: What the Absorption Studies Found

A D3 spray raised blood vitamin D about as much as capsules in a small winter...

Is Krill Oil Worth It? What the Absorption Trials Show
en-only · 5 min

Is Krill Oil Worth It? What the Absorption Trials Show

Krill oil carries omega-3 in phospholipid form, and a 12-week trial found it raised blood EPA...

Magnesium Timing for Sleep: What the Trials Did
en-only · 5 min

Magnesium Timing for Sleep: What the Trials Did

Sleep trials gave magnesium on a fixed daily schedule, and one gave it an hour before...

Is Liposomal Vitamin C Worth It? What the Studies Show
Vitamin C · 5 min

Is Liposomal Vitamin C Worth It? What the Studies Show

Liposomal vitamin C raised blood levels by roughly a fifth in one crossover trial, and nine...

Do You Need K2 With D3? How the Two Vitamins Work Together
D3 · 6 min

Do You Need K2 With D3? How the Two Vitamins Work Together

Vitamin D brings calcium in and builds calcium-handling proteins. Vitamin K switches those proteins on. Here...

Which Form of Magnesium for Sleep? What the Trials Used
Magnesium · 5 min

Which Form of Magnesium for Sleep? What the Trials Used

Trials of magnesium and sleep reported modest gains in sleep measures. Citrate is a well-absorbed form...

Which Nutrients US Adults Fall Short On, According to NHANES
Comparison · 6 min

Which Nutrients US Adults Fall Short On, According to NHANES

NHANES, the CDC's national food survey, shows many US adults fall below the average requirement from...

How Long Do Vitamins Take to Work? What Studies Measured
Guide · 6 min

How Long Do Vitamins Take to Work? What Studies Measured

Studies track nutrient levels, not how you feel. Vitamin D levels leveled off after 3 to...

Quick quiz

Didn't find your answer? Take the quiz.

Five questions about sleep, energy and nutrition, and you'll see which formula or stack fits your day.

Take the quiz →