The phrase "actually support it" is correct and usable in written English.
You can use it when discussing whether something provides genuine backing or endorsement for a particular idea, argument, or initiative.
Example: "While many claim to be in favor of the new policy, few are willing to actually support it with tangible actions."
Alternatives: "truly back it" or "genuinely endorse it".
To find out, we need to examine what kinds of people actually support it.
But only a handful of devices, including Apple's latest iMacs and MacBook Air, actually support it.
Much has been said in favour of the regional news industry, but little has been done to actually support it.
In the case of climate-change legislation like cap-and-trade, many of the companies on the Chamber's board of directors actually support it.
However, the AAP did not consult its members before endorsing the bill, and we don't know how many AAP members actually support it.
As a result, unlike the UK, where business groups have lobbied to delay the implementation of shared leave until 2015, in Sweden they actually support it.
In short, both Israel and its lobby nominally oppose the occupation while actually supporting it.
Under American trade laws, Wednesday was the deadline for the department to either begin a formal inquiry — unless it judged the case to be groundless — or find that few companies manufacturing panels in the United States actually supported it.
But officials of the Republican-led State Senate and members of the Pataki administration stressed that the governor's call for the budget's swift passage was not an indication that he actually supports it.
But Senate officials and members of the Pataki administration stressed that the governor's call for the budget's swift passage was not an indication that he actually supports it.
While arguing on one hand that CALEA doesn't apply, the government then says that CALEA's encryption limitation actually supports it position because Congress required any telecommunications carrier that provides an encryption service and holds the decryption keys to decrypt communications if able to do so.
