Advertising supervisor ASA has banned ads by slotxo controversial brewer Brewdog because of misleading claims.An Instagram post for Clean & Press Hard Seltzer said, "Due to advertising regulations, We can't claim that this drink has any health benefits,” but still mentions the low-calorie claim. Brewdog said the ad was "tongue-in-cheek" but agreed not to use it again.Brewdog was reported to the ASA last week that it had won the tournament in solid gold and was worth £15,000.A Scottish company has offered 10 people the chance to find gold cans hidden in beer cases. Several Golden Beer winners can be rewarded with Brewdog's controversial claims about its value. When they discovered that it was only gold plated.Brewdog said it stood by the valuation. meanwhile The Advertising Standards Agency is still investigating whether the competition violates any rules. Healthy beer? The company's ad for the Clean & Press seltzer was run in January. It said: "Although Clean & Press has only 90 calories per can, with no carbs or sugar and little alcohol, this is not a healthy drink. If you're looking for a healthy drink, don't drink Clean & Press.