Women's Iron

Why ferrous bisglycinate instead of ferrous sulfate?

Ferrous sulfate is the cheapest iron form and the most common in Indian iron supplements — but it causes significant GI side effects in 30%+ of users (constipation, nausea, metallic aftertaste, stomach upset). Many women have abandoned iron supplementation in the past because of these side effects. Ferrous bisglycinate is iron chelated with the amino acid glycine — the highest-tolerance iron form available. Compared to ferrous sulfate, it has dramatically lower rates of all these side effects, with comparable or slightly better absorption. The tolerance improvement comes without an efficacy trade-off. If you've tried iron supplements before and stopped because of how they made you feel, ferrous bisglycinate is often the form that solves the problem entirely.

What is liposomal Vitamin C, and why is it in this product?

Standard ascorbic acid (the most common Vitamin C form) is absorbed at ~15-20% efficiency at the doses used here — most of the supplemented Vitamin C is excreted unused. Liposomal Vitamin C is encapsulated in phospholipid spheres (liposomes) that protect it through stomach acid and increase absorption to 60%+ in research populations. The 65mg liposomal dose delivers more bioavailable Vitamin C than 200mg+ of plain ascorbic acid. It's in this product specifically because Vitamin C significantly enhances non-heme iron absorption — reducing ferric iron (Fe3+) to ferrous iron (Fe2+), which is the form your body can absorb. The pairing is the most well-established mineral-vitamin synergy in nutrition.

Should I get a blood test before starting iron supplementation?

Yes — this is the most important single piece of guidance. Iron supplementation should be evidence-based, not preventive. Get a baseline blood test measuring ferritin (iron stores), hemoglobin (oxygen-carrying capacity), and transferrin saturation. If your ferritin is below the normal range, supplementation is justified. If your ferritin is in the normal range or elevated, supplementation may not be needed — and in cases of iron overload (which can be silent), it can be harmful. After 8-12 weeks of supplementation, re-test to confirm response. The "I feel tired so I must be iron-deficient" assumption is wrong in about half of cases — many things cause tiredness, and iron status needs to be measured rather than guessed.

Why between meals, not with food?

Iron absorption is reduced by several common dietary components — calcium (dairy, leafy greens), magnesium (whole grains, nuts), zinc (supplements and food), dietary fibre (whole grains, vegetables), tannins (tea, coffee), and phytates (grains, legumes). Taking iron between meals — 1-2 hours before or after eating — maximises absorption by avoiding direct competition with these nutrients. Practical timing: between breakfast and lunch (mid-morning) or between lunch and dinner (mid-afternoon). The Vitamin C in the same capsule supports absorption regardless of meal timing, but the between-meals window is when iron absorbs most efficiently.

Will iron supplementation darken my stools?

Yes, possibly — and this is harmless. Iron supplementation causes some unabsorbed iron to pass through the GI tract, which can darken stools (anywhere from dark brown to almost black). With ferrous bisglycinate this is significantly less common than with ferrous sulfate, but still possible. It's not a sign of GI bleeding (which would produce tarry, sticky black stools with a distinctive smell) — supplementation-darkened stools are simply darker in colour. If you notice this and you've been on iron supplementation for any length of time, it's expected. If you notice tarry, sticky black stools with no iron supplementation, see a physician — that can indicate upper GI bleeding.

Can I take this if I'm on a multivitamin that already contains iron?

Probably not. Most multivitamins for women contain iron at 18-29mg. Adding this standalone product on top stacks to 47-58mg total daily iron — exceeding the safe daily upper limit (45mg for adults). The two products are alternatives, not stack partners. Choose this standalone product if you want focused, optimised iron supplementation with the better form (ferrous bisglycinate) and the liposomal Vitamin C pairing. Choose a multivitamin with iron if you want all-in-one daily nutrition including iron at a moderate dose. If you've been told you need higher iron doses for documented deficiency, your physician's guidance overrides this general advice.

I'm pregnant — should I take this?

Probably not on its own — talk to your gynaecologist. Iron requirements rise significantly during pregnancy (to 35-45mg/day depending on trimester and deficiency status). Most prenatal vitamins already contain iron at therapeutic doses (typically 27-60mg). Adding this product on top can exceed safe limits or duplicate what your prenatal already provides. Your gynaecologist will guide you on the total iron intake appropriate for your pregnancy — this may include continuing your prenatal alone, adding additional iron in cases of confirmed deficiency, or other arrangements. Iron is one of the most carefully managed supplements in pregnancy precisely because the dose-response is sensitive.

I'm vegan — do I really need iron supplementation?

Possibly — but test first. Plant iron (non-heme) is absorbed at about 2-20% efficiency, compared to 15-35% for animal-source heme iron. Vegans can technically meet iron RDA from food (lentils, chickpeas, tofu, pumpkin seeds, fortified cereals, dark leafy greens), but absorption is meaningfully lower than for omnivores. Many long-term vegans have lower ferritin than they realise. A blood test (ferritin specifically) gives you the answer. If your ferritin is in the lower half of normal range or below, supplementation makes sense. If it's in the upper half of normal, supplementation may not be needed. The Vitamin C in this product helps maximise iron absorption from both supplementation and dietary plant sources — useful synergy for vegans.

Q9. Why can't I take this with my calcium or zinc supplement?

Direct competition for absorption. Calcium, zinc, and magnesium all compete with iron for the same absorption pathways in the gut. Taking iron together with any of these significantly reduces iron absorption — sometimes by 50%+. The practical pattern: iron between meals (mid-morning or mid-afternoon); calcium with meals (CalDveg® is dosed 1 capsule with each meal); zinc post-breakfast; magnesium glycinate at night. This separation maximises absorption of all four nutrients. Tea and coffee similarly reduce iron absorption (tannins bind iron) — avoid drinking these within 1-2 hours of the iron capsule.

How long until I notice the difference?

Depends on what you're measuring and how depleted you were. If you had documented iron-deficiency anaemia (low hemoglobin), hemoglobin response is typically measurable on blood work within 4-6 weeks of consistent daily supplementation. Ferritin (iron stores) takes longer — 8-12 weeks for meaningful improvement, and 3-6 months for full restoration in adults with depleted stores. Felt effects (improved energy, exercise tolerance, less fatigue, restored mental clarity) vary widely: adults who were genuinely iron-deficient often report noticeable improvement within 3-4 weeks; adults who were already adequate may not notice anything subjective. Iron is a slow-restoring nutrient — daily consistency over months matters more than dose escalation.