BITS BLOG
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HRV and Nutrition: What Moves Your Score
HRV nutrition explained: what RMSSD measures, how accurate wearables are, and what the research says about alcohol, sleep, omega-3s, caffeine and fasting.
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Sleep and Mitochondria: What Happens to Cellular Energy Overnight
Sleep and mitochondria: what 2025 Oxford research, human muscle studies and circadian clocks show about overnight cellular energy, and what remains unproven.
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Glycine Before Bed: What the Sleep Studies Show
Glycine for sleep explained: what the 3 g bedtime trials found, how core body temperature may play a role, food sources, safety, and who should...
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Caffeine Half-Life: When to Stop Drinking Coffee (Cutoff Guide)
Caffeine half-life averages about 4 to 6 hours, but genes, smoking, birth control and pregnancy shift it. Use our cutoff table to time your last...
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Choline Foods: Best Sources and What Choline Does for the Brain
Choline foods ranked by serving, from eggs and liver to soy and potatoes. Learn your daily needs, what choline does for the brain, and where...
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Short-Chain Fatty Acids: What They Do and How Diet Shapes Them
Short chain fatty acids explained: what acetate, propionate and butyrate do, how dietary fiber shapes them, and what the evidence in humans really shows.
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Foods That Support NAD+: What Diet Can Do, and What It Can't
Foods that support NAD+: how niacin, tryptophan and milk feed your body's NAD+ supply, what NR and NMN trials show, and why no food boosts...
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What Is the Most Nutrient-Dense Food in the World?
Nutrient density means nutrients per calorie, not nutrients per serving. Here is how spirulina, beef liver, kale, sardines, eggs, and seaweed actually compare.
