1g of thiamine- when having such large doses of a single B vitamin, it’s a good idea to take the other B vitamins too. At least now and then.
Niacin, as nicotinic acid, may be helpful in particular. Look up the threads here on niacin and gut problems.
Niacin, as nicotinic acid, may be helpful in particular. Look up the threads here on niacin and gut problems.