The following support gems are recommendations by GGG as listed in-game, and do not necessarily reflect optimal combinations or the views of the wiki.
Gem tier
Support gems
I
ClarityClaritySupport, Buff, Persistent Tier: 1 Reservation: 10 SpiritSupport Requirements: +5 IntSupports PersistentBuff Skills, causing you to gain increased Mana Regeneration while the Skill is active.30% Increased Mana Regeneration Rate while a Supported Skill is activePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
VitalityVitalitySupport, Buff, Persistent Tier: 1 Reservation: 20 SpiritSupport Requirements: +5 StrSupports PersistentBuff Skills, causing you to gain Life Regeneration while the Skill is active.Regenerate 1% of maximum Life per second while a Supported Skill is activePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
II
Coming Soon
HerbalismHerbalismSupport, Buff, Persistent Tier: 2 Reservation: 15 SpiritSupport Requirements: +5 StrSupports PersistentBuff Skills, causing you to gain increased Life recovery from Flasks while the Skill is active.30% Increased Recovery from Life Flasks while a Supported Skill is activePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
III
CannibalismCannibalismSupport, Buff, Persistent Tier: 3 Reservation: 15 SpiritSupport Requirements: +5 StrSupports PersistentBuff Skills, causing you to recover Life on kill while the Skill is active.2% of maximum Life recovered on Kill while a Supported Skill is activePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
Warm BloodedWarm BloodedSupport, Buff, Persistent Tier: 3 Reservation: 15 SpiritSupport Requirements: +5 DexSupports PersistentBuff Skills, causing Freeze applied to you to last for a shorter duration while the Supported Skill is active.50% less Freeze duration on you while a Supported Skill is activePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.