Score 20% off with promo code B1G1 at checkout at 23andme.com
How to use 23andme.com coupons :
1 – Copy the coupon/ promotion / discount code B1G1.
2 – Go to website 23andme.com and remember to paste the code copied to the coupon/discount/promotion box at check out page
3 – Wait for the discount and Enjoy your order