Mega convenient way to get your Omegas while on the go. Omega 3 & 6. No preservatives. Manitoba Harvest Hemp Oil Soft Gels do not have to be refrigerated and have a longer shelf life than Hemp Oil. Hemp Oil Soft Gels are a convenient way to include hemp oil on the go or while traveling. Hemp oil is a great way to get omegas, including the EFA known as Gamma-Linolenic Acid (GLA).