Nutricost Vitamin B1 (Thiamine) 500mg, 120 Capsules

Customers find the vitamin B1 supplement effective and good value for money, with positive feedback about its ease of swallowing and energy-boosting effects. The nutritional content receives positive reviews as a good source of necessary vitamin. Regarding side effects and taste, experiences are mixed - while some say it doesn't upset their stomach and have no foul taste, others report severe allergic reactions and find it too bitter. The capsule size also receives mixed feedback, with some appreciating the nice size while others wish it was smaller.