Vitamin C
Amla Nutrition: Very High Vitamin C, Polyphenols, and Supplement Hype
Amla has very high vitamin C and polyphenol content, but supplement claims around blood sugar and lipids often run ahead of evidence quality.
IntermediateBroccoli Nutrition: The Sulforaphane Timing Trick
The health benefits of broccoli depend on how you prep it. Learn the 40-minute chopping trick that maximizes sulforaphane formation before you cook
IntermediateHow Antioxidants Actually Work (and Where Marketing Gets It Wrong)
How antioxidants neutralize free radicals in your body, why ORAC scores are meaningless, and why high-dose antioxidant supplements failed in large clinical trials.
BeginnerHow Vitamin C Works and Why You Can't Absorb Unlimited Amounts
Vitamin C absorption drops sharply with high doses: 80% at 100mg, 50% at 500mg, 12% at 1250mg. Here's why, and what the evidence shows on megadosing.
IntermediateIron Absorption: Why Heme Iron and Non-Heme Iron Behave Differently
Heme iron from meat absorbs at 15-35%. Non-heme iron from plants absorbs at 2-20%. Learn which foods enhance or block iron absorption and why spinach is a poor iron source.
IntermediateLemon Nutrition: Small Fruit, Useful Acid Chemistry, and Real Limits
Lemons are not a cure-all, but they are a practical source of vitamin C and citric acid that can improve flavor, iron absorption context, and food use patterns.
BeginnerLychee Nutrition: Vitamin C Rich Fruit With Portion-Sensitive Sugar
Lychee is a vitamin C rich fruit with high palatability and moderate sugar load per serving.
BeginnerPapaya Nutrition: Vitamin C Density, Digestive Enzymes, and Ripeness
Papaya is a high-vitamin-C fruit with carotenoids and digestive-enzyme context that is often overhyped online.
BeginnerSoursop Nutrition: Useful Fruit, Not a Proven Cancer Treatment
Soursop is a flavorful fruit with vitamin C and fiber, but cancer-treatment claims are not supported by clinical evidence.
Beginner