APIECE
The Journal
Plain answers on ingredients, doses, lab results and routines, with sources you can check.
- Are personalized vitamins worth it? Personalized blend vs a multivitamin
What a standard multivitamin does well, where it falls short, what research says about personalized nutrition, and how to tell whether a personalized blend makes sense for you.
- Iron and ferritin: who actually needs an iron supplement?
What ferritin and transferrin saturation show, who tends to run low on iron, why to test before taking it, hemochromatosis caution, and how to take iron so it absorbs and sits well.
- EPA vs DHA: how much omega-3 should you take, and fish or algae?
What EPA and DHA are, the amounts studied, fish oil versus algae oil for plant-based eaters, the omega-3 index test, blood-thinner caution, and how to avoid fishy aftertaste.
- How much vitamin D should you take a day?
The RDA, the 4,000 IU upper limit, IU vs mcg, D3 vs D2, what a 25-hydroxyvitamin D test means, taking it with a meal, the honest evidence on K2, and who should be careful.
- Magnesium glycinate vs citrate vs oxide: which form should you take?
Glycinate, citrate, oxide, malate, threonate and taurate compared on magnesium content, absorption, gut comfort and capsule space, plus the 350 mg supplement limit and medicine timing.
- How much creatine should you take a day, and is it safe?
Creatine dosing made simple: 3 g vs 5 g a day, why loading is optional, what the brain research does and doesn't show, the creatinine lab quirk, and who should check first.
- Folic acid vs methylfolate: does your MTHFR gene matter?
How folic acid and L-methylfolate differ, what an MTHFR variant does and doesn't mean, what the pregnancy guidance actually says, and the upper limit for folic acid.
- Which supplements interact with common medications?
The best-documented supplement and medicine interactions, from vitamin K and warfarin to St. John's wort, minerals and thyroid medicine, and 5-HTP with SSRIs.
- Which blood tests should you check before taking supplements?
The blood tests that can usefully guide supplements, what each one can and can't tell you, and when to recheck after you change what you take.
- How many supplement pills a day is too many?
Why adherence drops as daily doses and pill counts rise, how separate bottles double up on the same nutrients and push past upper limits, and how to simplify a supplement routine safely.
- Why am I always tired, and what causes the afternoon crash?
The everyday reasons for constant tiredness and the 3 pm slump, which blood tests to ask your doctor about, which nutrients have been studied, and the signs that need a doctor soon.
- Which supplements help you sleep? What the research shows
Magnesium, L-theanine, melatonin, saffron, glycine and tart cherry: what the trials found, the doses studied, and when poor sleep is a reason to see a doctor instead.
- What is functional medicine, and how does it use supplements?
What functional and integrative medicine mean, how practitioners use history and labs to choose supplements, and how to judge the evidence and the marketing yourself.
- How we choose the form of each ingredient
Why magnesium glycinate, methylfolate and vitamin D3 make our labels, in plain words.
- What your blood work can tell us (and what it can’t)
Vitamin D, B12, iron, homocysteine and hs-CRP: what each number means, and why “in range” isn’t the whole story.
- Genes are tendencies, not destiny: MTHFR, VDR and your formula
What a gene variant actually means, why we look at labs first, and how a result can shape your blend.
- 3 months or 6 months? How your supply and subscription work
Upfront supply, renewals, the 6-month saving, changing your formula and cancelling, all in one place.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This page is general information, not medical advice. Check with your doctor or pharmacist before starting a supplement, especially if you take medication, are pregnant or nursing, or have a health condition.