Heart & Circulation guides
Heart & Circulation guides
Fish oil arithmetic, CoQ10 forms, resveratrol percentages and the beetroot nitrate gap — what each label counts, and what it leaves out.
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- 11 min
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The guides behind every product
Each heart & circulation product with the guides written for it — what it is, how to take it, and how it compares.

Beetroot & Hibiscus Powder
from $30.99
Shop the product4 guides
- Beetroot and Hibiscus Benefits, ExplainedBeetroot and hibiscus benefits, one plant at a time: what each brings to a glass, and what a 1,375 mg beet and 1,000 mg hibiscus scoop can't tell you.11 min read
- Hibiscus Side Effects: Who Should Skip ItHibiscus side effects get little federal coverage, so we lay out who should ask a provider first and how a 1,000 mg scoop stacks with our reds and greens.11 min read
- How to Drink Beet Powder: Mixing GuideHow to drink beet powder the way our label reads: one 3.25 g scoop in 6-8 oz of cold water, drunk within 10 minutes, plus mixers that tame the earthiness.11 min read
- Beet Powder vs Beet Juice vs CapsulesBeet powder vs beet juice, by weight: our scoop has 1,375 mg of beet, the solids of about 11 g of raw beet. Juice in the studies takes a pound or more.11 min read

CoQ10 Ubiquinone Capsules
from $29.90
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- CoQ10 vs NAD+: Which One, or Both?CoQ10 vs NAD+ side by side: where the two meet inside your mitochondria, what our 200 mg and 500 mg labels list, and whether taking both makes sense.11 min read
- Does CoQ10 Give You Energy? What to ExpectDoes CoQ10 give you energy you'd notice? We line it up against caffeine, NAD+ and NMN using our own labels, and explain what "cellular energy" means.11 min read
- When to Take CoQ10: Morning or Night?When to take CoQ10 if your meals shift around: how to choose the meal your once-a-day capsule goes before, and where fish oil softgels fit in.11 min read
- Ubiquinol vs Ubiquinone: Which CoQ10 Form?Ubiquinol vs ubiquinone, explained: two states of CoQ10, what ubidecarenone means on a label, and what our 200 mg ubiquinone panel shows.11 min read

L-Citrulline & L-Arginine Capsules
from $27.90
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- L-Citrulline Side Effects and SafetyL-citrulline side effects are thinly studied. The NIH notes stomach upset, and gram-level gut trouble is mostly arginine's. See how 2 capsules compare.11 min read
- L-Citrulline Capsules vs Powder & TimingL-citrulline capsules vs powder, counted out: matching the 6 g a day in NIH-cited studies would take 42 to 53 of our capsules. Here's when to take each.11 min read
- L-Citrulline and Creatine: Take Together?Taking L-citrulline and creatine together? See what our labels hold, why creatine is the half with the evidence, and where a 400 mg capsule falls short.11 min read
- L-Citrulline vs Citrulline Malate: DosingL-citrulline vs citrulline malate is really label math: a 1:1 citrulline malate is about 57% citrulline, so 400 mg of it holds roughly 227 mg.11 min read

Omega-3 Fish Oil Softgels
from $17.90
Shop the product4 guides
- Fish Oil Burps: Why They Happen and FixesThe NIH calls omega-3 side effects usually mild. Here's what likely causes fish oil burps, and the meal and storage habits that leave your dose alone.11 min read
- EPA vs DHA: What Each Omega-3 DoesEPA vs DHA, side by side: why DHA stands out in the brain and retina, how ALA compares, and what a 180 mg EPA to 120 mg DHA split means.11 min read
- When to Take Fish Oil: Morning or Night?Morning or night? Our label names no hour for when to take fish oil, only meals. Here's how to fit it around your day, vitamin D3 and a multivitamin.11 min read
- How Much Omega-3 Is in 1,000 mg Fish Oil?How much omega-3 is in 1,000 mg fish oil? Our softgel lists 300 mg of EPA and DHA, and we show how to check the same math on any brand's panel.11 min read

Organic Beetroot Capsules
from $21.90
Shop the product4 guides
- Beetroot and Citrulline Together: The MathBeet nitrate and citrulline take separate routes to nitric oxide. We check the label math on beetroot and citrulline together against two small trials.11 min read
- Do Beetroot Capsules Work? The Nitrate GapDo beetroot capsules work? The exercise research used beet juice, and our own capsule label lists no nitrate, the compound that research centers on.10 min read
- When to Take Beetroot Capsules, and WhyWhen to take beetroot capsules: our label says 2 capsules once a day, 20-30 minutes before a meal. Here's how that timing fits around a workout.11 min read
- Beetroot Capsules Side Effects to KnowBeetroot capsules side effects, from our label (1,300 mg per 2-capsule serving): why urine can go pink or red, what oxalate means and who should ask first.11 min read

Trans-Resveratrol Capsules
from $26.90
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- How Much Resveratrol Is in Red Wine?Matching one 300 mg trans-resveratrol capsule takes about 158 liters of average red wine. See how much resveratrol is in red wine, grapes and berries.11 min read
- Trans-Resveratrol vs Resveratrol, DecodedTrans-resveratrol vs resveratrol comes down to molecular shape and label wording. See why a 600mg complex at 50% works out to 300 mg of trans per capsule.11 min read
- When to Take Resveratrol: Timing and MealsWhen to take resveratrol if your label says twice a day before meals: a two-dose routine for real schedules and what three small human studies found.11 min read
- Resveratrol and NMN Together: Worth It?Resveratrol and NMN together rests on one single-dose mouse study. Here's what's known, plus a 3-capsule daily routine built from both of our labels.11 min read



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