How Long it Takes to Feel Supplement Effects 1. Magnesium → 1–5 days 2. Ashwagandha → 2–4 weeks 3. Omega-3s → 3–6 weeks 4. B-complex → Same day 5. GABA → 30 mins 6. Probiotics → 1–2 weeks 7. Iron → 2–4 weeks 8. Vitamin D → 4–8 weeks ✷ if you aren't currently following us, you'll probably never see us again. ✨ #ஆரோகிய குறிப்புகள்🚹